INFO: task jfsCommit:92 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:92 ppid:2 flags:0x00000008 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 io_schedule+0x84/0x154 kernel/sched/core.c:8797 __lock_metapage+0x180/0x418 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x900/0xfcc fs/jfs/jfs_metapage.c:639 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672 diFree+0x6a8/0x1de8 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x2c4/0x3e8 fs/jfs/inode.c:156 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 txUpdateMap+0x67c/0x79c fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x378/0x918 fs/jfs/jfs_txnmgr.c:2732 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task jfsCommit:93 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:93 ppid:2 flags:0x00000008 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 io_schedule+0x84/0x154 kernel/sched/core.c:8797 __lock_metapage+0x180/0x418 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x900/0xfcc fs/jfs/jfs_metapage.c:639 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672 diFree+0x6a8/0x1de8 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x2c4/0x3e8 fs/jfs/inode.c:156 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 txUpdateMap+0x67c/0x79c fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x378/0x918 fs/jfs/jfs_txnmgr.c:2732 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015297870 (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: ffff800015298090 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 2 locks held by kworker/1:1/24: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff80001c967c20 (free_ipc_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 1 lock held by khungtaskd/28: #0: ffff800015296f00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by jfsCommit/92: #0: ffff0000f6cc8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x21c/0x1de8 fs/jfs/jfs_imap.c:889 #1: ffff0000f669ddb8 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x230/0x1de8 fs/jfs/jfs_imap.c:894 2 locks held by jfsCommit/93: #0: ffff0000df790920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x21c/0x1de8 fs/jfs/jfs_imap.c:889 #1: ffff0000f66993b8 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x230/0x1de8 fs/jfs/jfs_imap.c:894 1 lock held by dhcpcd/3992: #0: ffff800017730fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by getty/4082: #0: ffff0000d6cfe098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001cea32f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198 2 locks held by syz-executor/4321: #0: ffff0000f8cfc0e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/4320: #0: ffff0000f4e1c0e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/4325: #0: ffff0000f6ce20e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 3 locks held by kworker/1:6/4402: #0: ffff0000d62d5938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff800020e07c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff800017730fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by syz-executor/4574: #0: ffff0000cde880e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/5185: #0: ffff0000ecbbe0e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 3 locks held by kworker/0:7/5201: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff8000211a7c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff800017730fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by syz-executor/5220: #0: ffff0000f599a0e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/5225: #0: ffff0000d23ae0e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor/5232: #0: ffff0000f808e0e0 (&type->s_umount_key#62){++++}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 #1: ffff80001567e868 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xb0/0x4c8 fs/jfs/jfs_logmgr.c:1444 1 lock held by syz.5.290/7264: #0: ffff0000f6ce20e0 (&type->s_umount_key#62){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 2 locks held by syz.1.427/8345: #0: ffff0000df7310b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:508 [inline] #0: ffff0000df7310b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x1f0/0x4b4 net/bluetooth/hci_core.c:2705 #1: ffff0000df730078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x398/0xf18 net/bluetooth/hci_sync.c:5228 2 locks held by syz.9.444/8402: #0: ffff0000d8f10460 (sb_writers#4){.+.+}-{0:0}, at: do_sendfile+0x43c/0xc88 fs/read_write.c:1254 #1: ffff0000f6ce20e0 (&type->s_umount_key#62){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz-executor/9436: #0: ffff800017730fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017730fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6147 3 locks held by syz.3.602/9485: #0: ffff80001778cd70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0xec/0x62c net/netlink/genetlink.c:848 #2: ffff800017730fc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by syz.3.602/9486: #0: ffff80001778cd70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0xec/0x62c net/netlink/genetlink.c:848 3 locks held by syz.7.609/9484: #0: ffff0000d88010b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:508 [inline] #0: ffff0000d88010b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x1f0/0x4b4 net/bluetooth/hci_core.c:2705 #1: ffff0000d8800078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x398/0xf18 net/bluetooth/hci_sync.c:5228 #2: ffff800017885ba8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1820 [inline] #2: ffff800017885ba8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xb0/0x270 net/bluetooth/hci_conn.c:2504 =============================================