INFO: task syz.3.76:6919 blocked for more than 144 seconds. Not tainted 6.14.0-rc6-syzkaller-g0a6021b3fc20 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.76 state:D stack:0 pid:6919 tgid:6918 ppid:6451 task_flags:0x400140 flags:0x00000009 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5378 [inline] __schedule+0x1360/0x257c kernel/sched/core.c:6765 __schedule_loop kernel/sched/core.c:6842 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6857 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6914 __mutex_lock_common+0xd30/0x24b8 kernel/locking/mutex.c:662 __mutex_lock kernel/locking/mutex.c:730 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782 bio_find_or_create_slab block/bio.c:122 [inline] bioset_init+0x1d0/0x6cc block/bio.c:1703 bch2_fs_alloc fs/bcachefs/super.c:899 [inline] bch2_fs_open+0x1f54/0x299c fs/bcachefs/super.c:2064 bch2_fs_get_tree+0x58c/0x11d4 fs/bcachefs/fs.c:2190 vfs_get_tree+0x90/0x28c fs/super.c:1814 do_new_mount+0x278/0x900 fs/namespace.c:3560 path_mount+0x590/0xe04 fs/namespace.c:3887 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount fs/namespace.c:4088 [inline] __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4088 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Showing all locks held in the system: 1 lock held by kthreadd/2: 3 locks held by kworker/u8:0/12: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3212 #1: ffff800097d47ba0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x708/0x1638 kernel/workqueue.c:3212 #2: ffff800092b722a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 3 locks held by kworker/u8:1/13: #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x674/0x1638 kernel/workqueue.c:3212 #1: ffff0001b378c408 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x394/0x5e8 kernel/sched/psi.c:987 #2: ffff0001b378de58 (&base->lock){-.-.}-{2:2}, at: lock_timer_base kernel/time/timer.c:1046 [inline] #2: ffff0001b378de58 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x20c/0xdc4 kernel/time/timer.c:1127 1 lock held by khungtaskd/32: #0: ffff80008fda22e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 5 locks held by kworker/u8:3/45: 3 locks held by kworker/u8:6/1531: