INFO: task kworker/0:16:4527 blocked for more than 143 seconds. Not tainted 6.1.140-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:16 state:D stack:0 pid:4527 ppid:2 flags:0x00000008 Workqueue: gfs_recovery gfs2_recover_func Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xdd4/0x1b2c kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 io_schedule+0x84/0x154 kernel/sched/core.c:8797 folio_wait_bit_common+0x56c/0x9c4 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+0x154/0x5a8 fs/gfs2/lops.c:476 gfs2_find_jhead+0x9f4/0xb30 fs/gfs2/lops.c:594 gfs2_recover_func+0x4e0/0x1670 fs/gfs2/recovery.c:460 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc 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.4.95:4823 blocked for more than 143 seconds. Not tainted 6.1.140-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.95 state:D stack:0 pid:4823 ppid:4309 flags:0x00000009 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xdd4/0x1b2c kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 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+0x158/0x1f0 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+0x138c/0x1e14 fs/gfs2/ops_fstype.c:835 init_inodes+0xe0/0x2d4 fs/gfs2/ops_fstype.c:889 gfs2_fill_super+0x122c/0x19ec fs/gfs2/ops_fstype.c:1246 get_tree_bdev+0x358/0x544 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+0x228/0x810 fs/namespace.c:3058 path_mount+0x5b4/0xe78 fs/namespace.c:3388 do_mount fs/namespace.c:3401 [inline] __do_sys_mount fs/namespace.c:3609 [inline] __se_sys_mount fs/namespace.c:3586 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3586 __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+0x58/0x138 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: ffff8000152476b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015247ed0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015246d40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 1 lock held by dhcpcd/3968: #0: ffff8000176d9208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000176d9208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 2 locks held by getty/4063: #0: ffff0000d636b098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001ce702f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198 2 locks held by kworker/u4:7/4396: 3 locks held by kworker/0:8/4450: 2 locks held by kworker/0:16/4527: #0: ffff0000c4dd6938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff8000227a7c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 3 locks held by kworker/0:17/4528: 1 lock held by syz.4.95/4823: #0: ffff0000cd83c0e0 (&type->s_umount_key#73/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 fs/super.c:228 2 locks held by kworker/1:12/5507: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800021df7c20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 2 locks held by kworker/1:15/5512: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800021e87c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 3 locks held by kworker/1:16/5513: #0: ffff0000d5d4ed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff8000210d7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000176d9208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.3.499/6882: #0: ffff0000cd83c0e0 (&type->s_umount_key#108){.+.+}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 2 locks held by udevd/7047: 1 lock held by udevd/7056: 2 locks held by syz-executor/7113: #0: ffff8000176d9208 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff8000176d9208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6150 #1: ffff0000c30e93e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x204/0x420 drivers/net/wireguard/device.c:49 2 locks held by dhcpcd/7312: #0: ffff0000c321c130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff0000c321c130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x48/0xb2c net/packet/af_packet.c:3249 #1: ffff80001524c9f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #1: ffff80001524c9f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a8/0x6f0 kernel/rcu/tree_exp.h:962 2 locks held by dhcpcd/7313: #0: ffff0000d85e0130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1756 [inline] #0: ffff0000d85e0130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x48/0xb2c net/packet/af_packet.c:3249 #1: ffff80001524c9f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #1: ffff80001524c9f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x264/0x6f0 kernel/rcu/tree_exp.h:962 =============================================