INFO: task jfsCommit:133 blocked for more than 143 seconds. Not tainted 6.1.109-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:26112 pid:133 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5241 [inline] __schedule+0x143f/0x4570 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 io_schedule+0x88/0x100 kernel/sched/core.c:8786 __lock_metapage fs/jfs/jfs_metapage.c:50 [inline] lock_metapage+0x250/0x370 fs/jfs/jfs_metapage.c:64 __get_metapage+0x50f/0x1040 fs/jfs/jfs_metapage.c:639 diIAGRead+0xcb/0x130 fs/jfs/jfs_imap.c:2672 diFree+0xa7a/0x2fb0 fs/jfs/jfs_imap.c:959 jfs_evict_inode+0x329/0x440 fs/jfs/inode.c:156 evict+0x529/0x930 fs/inode.c:701 txUpdateMap+0x825/0x9e0 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x476/0xb60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Showing all locks held in the system: 5 locks held by kworker/u4:1/11: #0: ffff888017e1e938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #1: ffffc90000107d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #2: ffffffff8e4ecb90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 net/core/net_namespace.c:566 #3: ffffffff8e4f8ee8 (rtnl_mutex){+.+.}-{3:3}, at: xfrmi_exit_batch_net+0xb0/0x350 net/xfrm/xfrm_interface_core.c:956 #4: ffffffff8d3305b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #4: ffffffff8d3305b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f0/0x930 kernel/rcu/tree_exp.h:962 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d32b190 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d32b990 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/27: #0: ffffffff8d32afc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff8d32afc0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #0: ffffffff8d32afc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494 2 locks held by jfsCommit/133: #0: ffff888066d58920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x378/0x2fb0 fs/jfs/jfs_imap.c:889 #1: ffff888071082638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x394/0x2fb0 fs/jfs/jfs_imap.c:894 1 lock held by dhcpcd/3306: #0: ffffffff8e4f8ee8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2a5/0x1b20 net/ipv4/devinet.c:1070 2 locks held by getty/3397: #0: ffff88802da47098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2198 2 locks held by kworker/0:13/3854: #0: ffff888017c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 #1: ffffc90004bffd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267 4 locks held by syz-executor/5593: 5 locks held by syz-executor/5605: #0: ffff88807e432460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x269/0xbc0 fs/read_write.c:580 #1: ffff888079e59488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1e7/0x4f0 fs/kernfs/file.c:325 #2: ffff888145b76660 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20b/0x4f0 fs/kernfs/file.c:326 #3: ffffffff8de22628 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf8/0x480 drivers/net/netdevsim/bus.c:209 #4: ffff888055e7f0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff888055e7f0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline] #4: ffff888055e7f0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xb6/0x880 drivers/base/dd.c:1283 1 lock held by syz-executor/5731: #0: ffffffff8e4f8ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffffffff8e4f8ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118 1 lock held by syz-executor/5737: #0: ffffffff8e4f8ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffffffff8e4f8ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118 3 locks held by syz.1.352/5748: #0: ffff88804f069a10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff88804f069a10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:653 [inline] #0: ffff88804f069a10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x98/0x230 net/socket.c:1400 #1: ffff8880614ab130 (sk_lock-AF_CAIF){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1748 [inline] #1: ffff8880614ab130 (sk_lock-AF_CAIF){+.+.}-{0:0}, at: caif_release+0x100/0x360 net/caif/caif_socket.c:917 #2: ffffffff8d3305b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #2: ffffffff8d3305b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x360/0x930 kernel/rcu/tree_exp.h:962 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1ae/0x3f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xf88/0xfd0 kernel/hung_task.c:377 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:insn_get_sib arch/x86/lib/insn.c:429 [inline] RIP: 0010:insn_get_displacement+0x1a9/0x970 arch/x86/lib/insn.c:464 Code: 83 e5 c0 bf c0 00 00 00 89 ee e8 d2 4d e6 f6 83 e3 07 bf 04 00 00 00 89 de e8 c3 4d e6 f6 81 fd c0 00 00 00 0f 84 eb 00 00 00 <83> fb 04 0f 85 e2 00 00 00 4d 8d 75 68 4c 89 f5 48 c1 ed 03 48 b8 RSP: 0018:ffffc900000e7820 EFLAGS: 00000283 RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff888017f40000 RDX: ffff888017f40000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 0000000000000040 R08: ffffffff8aa4640d R09: ffffc900000e7980 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffffc900000e7980 R14: ffffc900000e79b4 R15: 1ffff9200001cf36 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557be7384030 CR3: 000000000d08e000 CR4: 00000000003506e0 Call Trace: insn_get_immediate+0x458/0x1390 arch/x86/lib/insn.c:632 insn_get_length arch/x86/lib/insn.c:707 [inline] insn_decode+0x36c/0x500 arch/x86/lib/insn.c:747 text_poke_loc_init+0xd2/0x680 arch/x86/kernel/alternative.c:1638 arch_jump_label_transform_queue+0x71/0xd0 arch/x86/kernel/jump_label.c:138 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:488 static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235 static_key_disable+0x16/0x20 kernel/jump_label.c:243 toggle_allocation_gate+0x3e0/0x480 mm/kfence/core.c:818 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295