INFO: task syz.0.23:7446 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.23 state:D stack:0 pid:7446 tgid:7445 ppid:7124 task_flags:0x400140 flags:0x00800019 Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 schedule_timeout+0xac/0x270 kernel/time/sleep_timeout.c:75 ___down_common+0x23c/0x374 kernel/locking/semaphore.c:268 __down_common+0xc0/0x3a4 kernel/locking/semaphore.c:293 __down+0x18/0x24 kernel/locking/semaphore.c:303 down+0x94/0xe8 kernel/locking/semaphore.c:100 bch2_run_recovery_passes+0x164/0x1f4 fs/bcachefs/recovery_passes.c:609 bch2_fs_recovery+0x1df4/0x2fb4 fs/bcachefs/recovery.c:1050 bch2_fs_start+0x940/0xbec fs/bcachefs/super.c:1213 bch2_fs_get_tree+0x880/0x107c fs/bcachefs/fs.c:2488 vfs_get_tree+0x90/0x28c fs/super.c:1815 do_new_mount+0x278/0x7f4 fs/namespace.c:3808 path_mount+0x5b4/0xde0 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount fs/namespace.c:4324 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324 __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+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Showing all locks held in the system: 1 lock held by pool_workqueue_/3: 3 locks held by kworker/0:0/9: #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3210 #1: ffff800097c07be0 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3210 #2: ffff0000d6988240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x1cc/0x25b8 drivers/net/netdevsim/fib.c:1490 5 locks held by kworker/u8:1/14: #0: ffff0000d0c03148 ((wq_completion)btree_update#101){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3210 #1: ffff800097c57be0 ((work_completion)(&c->btree_interior_update_work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3210 #2: ffff000116504398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire+0x18/0x54 include/linux/srcu.h:160 #3: ffff0000ffb3c1b0 (bcachefs_btree){+.+.}-{0:0}, at: trans_set_locked+0x68/0x200 fs/bcachefs/btree_locking.h:205 #4: ffff000116500920 (&c->sb_lock){+.+.}-{4:4}, at: btree_update_new_nodes_mark_sb fs/bcachefs/btree_update_interior.c:609 [inline] #4: ffff000116500920 (&c->sb_lock){+.+.}-{4:4}, at: btree_update_nodes_written fs/bcachefs/btree_update_interior.c:683 [inline] #4: ffff000116500920 (&c->sb_lock){+.+.}-{4:4}, at: btree_interior_update_work+0x2e8/0x1d28 fs/bcachefs/btree_update_interior.c:867 1 lock held by khungtaskd/32: #0: ffff80008f9c9360 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 2 locks held by pr/ttyAMA-1/43: 2 locks held by kworker/u8:6/2025: 1 lock held by udevd/6169: 2 locks held by getty/6314: #0: ffff0000c19ce0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009bbdb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222 1 lock held by syz.7.478/13091: 2 locks held by syz.6.479/13102: =============================================