INFO: task kworker/0:7:4306 blocked for more than 143 seconds. Not tainted 6.1.82-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:7 state:D stack:0 pid:4306 ppid:2 flags:0x00000008 Workqueue: gfs_recovery gfs2_recover_func Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xee4/0x1c98 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 io_schedule+0x8c/0x188 kernel/sched/core.c:8786 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1296 folio_wait_bit+0x30/0x40 mm/filemap.c:1440 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+0x550/0x18f0 fs/gfs2/recovery.c:460 process_one_work+0x7ac/0x1404 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-executor.1:9421 blocked for more than 143 seconds. Not tainted 6.1.82-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:9421 ppid:4252 flags:0x0000000d Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xee4/0x1c98 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 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+0x1608/0x1f9c fs/gfs2/ops_fstype.c:1247 get_tree_bdev+0x360/0x54c fs/super.c:1355 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe5c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 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: ffff800015a14e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:516 1 lock held by rcu_tasks_trace/13: #0: ffff800015a15670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:516 1 lock held by khungtaskd/28: #0: ffff800015a14ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:318 1 lock held by udevd/3842: 2 locks held by getty/3987: #0: ffff0000d5a22098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001dceb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2188 1 lock held by syz-fuzzer/4255: 3 locks held by kworker/0:5/4304: #0: ffff0001b436f198 (&rq->__lock){-.-.}-{2:2} , at: raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] , at: raw_spin_rq_lock kernel/sched/sched.h:1354 [inline] , at: rq_lock kernel/sched/sched.h:1644 [inline] , at: __schedule+0x2c4/0x1c98 kernel/sched/core.c:6475 #1: ffff0001b435bb88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:1000 #2: ffff0001b435d818 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x108/0x214 kernel/time/timer.c:999 2 locks held by kworker/0:6/4305: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff80001e737c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 2 locks held by kworker/0:7/4306: #0: ffff0000c60c8538 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff80001e747c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 1 lock held by syz-executor.1/9421: #0: ffff0000db3fa0e0 (&type->s_umount_key#72/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 2 locks held by kworker/u4:15/10744: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265 #1: ffff800023ba7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267 1 lock held by syz-executor.3/17382: 1 lock held by syz-executor.2/17381: #0: ffff0001960740e0 (&type->s_umount_key#30){++++}-{3:3}, at: do_remount fs/namespace.c:2704 [inline] #0: ffff0001960740e0 (&type->s_umount_key#30){++++}-{3:3}, at: path_mount+0xc40/0xe5c fs/namespace.c:3373 1 lock held by syz-executor.4/17395: #0: ffff00018dfde918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_fetch+0x48/0x3a4 drivers/usb/mon/mon_bin.c:909 1 lock held by syz-executor.4/17396: #0: ffff00018dfde918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_flush+0x48/0x2fc drivers/usb/mon/mon_bin.c:878 1 lock held by syz-executor.4/17401: #0: ffff00018dfde918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_flush+0x48/0x2fc drivers/usb/mon/mon_bin.c:878 1 lock held by syz-executor.4/17402: #0: ffff00018dfde918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_flush+0x48/0x2fc drivers/usb/mon/mon_bin.c:878 1 lock held by syz-executor.4/17405: #0: ffff00018dfde918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_flush+0x48/0x2fc drivers/usb/mon/mon_bin.c:878 1 lock held by syz-executor.4/17406: #0: ffff00018dfde918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_flush+0x48/0x2fc drivers/usb/mon/mon_bin.c:878 2 locks held by syz-executor.1/17398: #0: ffff800017e1f308 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017e1f308 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6118 #1: ffff800015a1a278 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #1: ffff800015a1a278 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e0/0x768 kernel/rcu/tree_exp.h:949 1 lock held by syz-executor.0/17400: #0: ffff800017e1f308 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017e1f308 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 net/core/rtnetlink.c:6118 1 lock held by syz-executor.3/17408: #0: ffff0000c3def918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_fetch+0x48/0x3a4 drivers/usb/mon/mon_bin.c:909 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