INFO: task jfsCommit:99 blocked for more than 143 seconds. Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:99 tgid:99 ppid:2 flags:0x00000008 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6785 io_schedule+0x8c/0x124 kernel/sched/core.c:7577 __lock_metapage+0x1d4/0x42c fs/jfs/jfs_metapage.c:51 lock_metapage fs/jfs/jfs_metapage.c:65 [inline] __get_metapage+0x7f8/0xeac fs/jfs/jfs_metapage.c:640 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2672 diFree+0x800/0x2648 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x444/0x978 fs/inode.c:725 iput_final fs/inode.c:1877 [inline] iput+0x744/0x8ec fs/inode.c:1903 txUpdateMap+0x85c/0xa18 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x3bc/0x9a8 fs/jfs/jfs_txnmgr.c:2733 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffff80008faafee0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 2 locks held by jfsCommit/99: #0: ffff0000d92a0920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:889 #1: ffff0000f1e12618 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:894 6 locks held by kworker/u8:7/642: #0: ffff0000c1891948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff80009ce27c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000927e7110 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:580 #3: ffff8000927f3628 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 #4: ffff0000c984d428 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_netns_pre_exit+0xbc/0x1d4 drivers/net/wireguard/device.c:419 #5: ffff80008fab5438 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #5: ffff80008fab5438 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x354/0x674 kernel/rcu/tree_exp.h:976 1 lock held by dhcpcd/6093: #0: ffff8000927f3628 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000927f3628 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6672 2 locks held by getty/6182: #0: ffff0000d72710a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b94b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 2 locks held by syz-executor/8162: 4 locks held by syz-executor/8618: #0: ffff0000d7f54420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline] #0: ffff0000d7f54420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x354/0xcf4 fs/read_write.c:679 #1: ffff0000c8608488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cc68a788 (kn->active#44){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091951ae8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 7 locks held by syz-executor/8640: #0: ffff0000d7f54420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline] #0: ffff0000d7f54420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x354/0xcf4 fs/read_write.c:679 #1: ffff0000cb3f1c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cc68a788 (kn->active#44){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091951ae8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 #4: ffff0000f0ea70e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #4: ffff0000f0ea70e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff0000f0ea70e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x698 drivers/base/dd.c:1293 #5: ffff0000f0ea3250 (&devlink->lock_key#6){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/core.c:276 #6: ffff8000927f3628 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by syz-executor/8863: #0: ffff8000927f3628 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000927f3628 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6672 =============================================