INFO: task jfsCommit:133 blocked for more than 143 seconds. Not tainted 6.1.87-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:26744 pid:133 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 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:2669 diFree+0xa7a/0x2fb0 fs/jfs/jfs_imap.c:956 jfs_evict_inode+0x329/0x440 fs/jfs/inode.c:156 evict+0x2a4/0x620 fs/inode.c:666 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:308 INFO: task jfsCommit:134 blocked for more than 143 seconds. Not tainted 6.1.87-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:27256 pid:134 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 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:2669 diFree+0xa7a/0x2fb0 fs/jfs/jfs_imap.c:956 jfs_evict_inode+0x329/0x440 fs/jfs/inode.c:156 evict+0x2a4/0x620 fs/inode.c:666 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:308 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d12ae50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d12b650 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516 1 lock held by khungtaskd/28: #0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494 2 locks held by jfsCommit/133: #0: ffff8880451a8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x378/0x2fb0 fs/jfs/jfs_imap.c:886 #1: ffff8880589f38b8 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x394/0x2fb0 fs/jfs/jfs_imap.c:891 2 locks held by jfsCommit/134: #0: ffff888025c30920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x378/0x2fb0 fs/jfs/jfs_imap.c:886 #1: ffff8880589f0138 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x394/0x2fb0 fs/jfs/jfs_imap.c:891 2 locks held by getty/3309: #0: ffff888013e5d098 (&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:2188 2 locks held by syz-executor.0/12721: #0: ffff8880459a80e0 (&type->s_umount_key#115){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:362 #1: ffffffff8d510e28 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor.2/13291: #0: ffff88807dab00e0 (&type->s_umount_key#115){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:362 #1: ffffffff8d510e28 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444 2 locks held by syz-executor.3/13386: #0: ffff888047b500e0 (&type->s_umount_key#115){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:362 #1: ffffffff8d510e28 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xae/0x530 fs/jfs/jfs_logmgr.c:1444 1 lock held by syz-executor.0/14958: #0: ffff8880459a80e0 (&type->s_umount_key#115){++++}-{3:3}, at: get_super+0xfe/0x1f0 fs/super.c:817 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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+0x1b0/0x3f0 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:308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4189 Comm: kworker/u4:9 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: phy55 ieee80211_iface_work RIP: 0010:lockdep_hardirqs_on_prepare+0x1c3/0x7a0 kernel/locking/lockdep.c:4312 Code: 48 c1 e8 03 80 3c 10 00 74 0f e8 58 da 77 00 48 ba 00 00 00 00 00 fc ff df 4c 89 7c 24 18 48 8b 44 24 10 4c 8b b0 d0 0a 00 00 <48> 8d b8 b8 0a 00 00 48 89 f8 48 c1 e8 03 80 3c 10 00 74 05 e8 a4 RSP: 0018:ffffc90003b8fa40 EFLAGS: 00000046 RAX: ffff8880225c9dc0 RBX: 1ffff92000771f50 RCX: ffffffff91c92103 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880225ca890 RBP: ffffc90003b8fae8 R08: dffffc0000000000 R09: ffffed100b7ceb21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff92000771f60 R14: 5611f728efe7e21a R15: 1ffff92000771f4c FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020404030 CR3: 000000000ce8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_on+0x34/0x40 kernel/trace/trace_preemptirq.c:49 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x8b/0x130 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] skb_dequeue+0x10f/0x140 net/core/skbuff.c:3412 ieee80211_iface_work+0x9f2/0xce0 net/mac80211/iface.c:1693 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:308