INFO: task jfsCommit:94 blocked for more than 143 seconds. Not tainted 6.1.131-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:94 ppid:2 flags:0x00000008 Call trace: __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5243 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6560 schedule+0xc4/0x170 kernel/sched/core.c:6636 io_schedule+0x8c/0x188 kernel/sched/core.c:8788 __lock_metapage+0x1cc/0x458 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x96c/0x1050 fs/jfs/jfs_metapage.c:639 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+0x418/0x894 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x7c0/0x8a4 fs/inode.c:1860 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x3a0/0x988 fs/jfs/jfs_txnmgr.c:2732 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Showing all locks held in the system: 4 locks held by kworker/u4:0/9: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff80001d2c7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff80001817d750 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0xaec net/core/net_namespace.c:594 #3: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by rcu_tasks_kthre/12: #0: ffff800015cd79b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015cd81b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 3 locks held by kworker/1:0/22: #0: ffff0000d57c5538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff80001d3a7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by khungtaskd/28: #0: ffff800015cd77e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by kworker/u4:3/55: #0: ffff0001b3cd6158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] #0: ffff0001b3cd6158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1355 [inline] #0: ffff0001b3cd6158 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1645 [inline] #0: ffff0001b3cd6158 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2c4/0x1d44 kernel/sched/core.c:6476 #1: ffff0001b3cc2b88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2e0/0x5e8 kernel/sched/psi.c:987 2 locks held by jfsCommit/94: #0: ffff0000dde80920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:889 #1: ffff0000e112d478 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:894 3 locks held by kworker/1:2/112: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff80001dfb7c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff0000f21be240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x3320 drivers/net/netdevsim/fib.c:1491 1 lock held by dhcpcd/3966: #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x10c/0x688 net/netlink/af_netlink.c:2287 2 locks held by getty/4055: #0: ffff0000d66da098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001d9102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198 3 locks held by kworker/0:9/4407: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021717c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff0000c0c5e240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x3320 drivers/net/netdevsim/fib.c:1491 2 locks held by kworker/1:7/4845: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021747c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 3 locks held by kworker/1:12/6203: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021487c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/1:15/7978: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021627c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff0000da56f240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x3320 drivers/net/netdevsim/fib.c:1491 3 locks held by kworker/0:16/8139: #0: ffff0000d57c5538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021767c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz-executor/8162: #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 1 lock held by syz-executor/8168: #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 1 lock held by syz-executor/8173: #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 1 lock held by syz-executor/8178: #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 3 locks held by syz.3.569/8589: #0: ffff8000181e6a70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff8000181e6928 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff8000181e6928 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x114/0xc40 net/netlink/genetlink.c:848 #2: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by syz.3.569/8590: #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018189d48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 #1: ffff800015cdcdf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #1: ffff800015cdcdf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e0/0x77c kernel/rcu/tree_exp.h:962 =============================================