INFO: task kworker/0:7:6184 blocked for more than 143 seconds. Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:7 state:D stack:0 pid:6184 tgid:6184 ppid:2 flags:0x00000008 Workqueue: gfs2_recovery gfs2_recover_func Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 io_schedule+0x8c/0x12c kernel/sched/core.c:8998 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1273 folio_wait_bit+0x30/0x40 mm/filemap.c:1412 folio_wait_locked include/linux/pagemap.h:1106 [inline] gfs2_jhead_process_page+0x154/0x4ec fs/gfs2/lops.c:477 gfs2_find_jhead+0x728/0xc18 fs/gfs2/lops.c:583 gfs2_recover_func+0x51c/0x1884 fs/gfs2/recovery.c:460 process_one_work+0x694/0x1204 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2781 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857 INFO: task syz-executor.1:13786 blocked for more than 143 seconds. Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:13786 tgid:13784 ppid:6139 flags:0x0000000d Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 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+0x1480/0x1fa0 fs/gfs2/ops_fstype.c:831 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:884 gfs2_fill_super+0x178c/0x1eec fs/gfs2/ops_fstype.c:1263 get_tree_bdev+0x33c/0x4a8 fs/super.c:1598 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1341 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300 1 lock held by khugepaged/34: 4 locks held by kworker/u4:5/262: #0: ffff0000c18a4138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600 #1: ffff8000973f7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602 #2: ffff800090f64350 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x8d0 net/core/net_namespace.c:576 #3: ffff80008e6ca100 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x58/0x534 kernel/rcu/tree.c:4030 2 locks held by getty/5867: #0: ffff0000d25f70a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800094e802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 3 locks held by kworker/1:4/6096: #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600 #1: ffff800096da7c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602 #2: ffff000112e5c240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x32bc drivers/net/netdevsim/fib.c:1489 2 locks held by kworker/0:7/6184: #0: ffff0000c3201938 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600 #1: ffff800097347c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602 2 locks held by kworker/u4:13/8668: 1 lock held by syz-executor.1/13786: #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: get_tree_bdev+0x2b8/0x4a8 fs/super.c:1596 1 lock held by syz-executor.2/14983: #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117 1 lock held by syz-executor.2/15594: #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117 1 lock held by syz-executor.2/16071: #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000cd9ac0e0 (&type->s_umount_key#93){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117 2 locks held by syz-executor.3/16563: 1 lock held by syz-executor.1/16618: #0: ffff0000d79a4418 (sb_writers#3){.+.+}-{0:0}, at: vfs_copy_file_range+0x7a0/0x1228 fs/read_write.c:1501 5 locks held by syz-executor.2/16622: =============================================