INFO: task kworker/0:5:5163 blocked for more than 143 seconds. Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:25648 pid:5163 tgid:5163 ppid:2 flags:0x00004000 Workqueue: events_long bch2_fs_read_only_work Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0xf15/0x5d00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6837 journal_quiesce fs/bcachefs/journal.c:474 [inline] journal_quiesce+0x274/0x2b0 fs/bcachefs/journal.c:472 bch2_fs_journal_stop+0xec/0x390 fs/bcachefs/journal.c:1181 __bch2_fs_read_only+0x334/0x500 fs/bcachefs/super.c:291 bch2_fs_read_only+0x9b2/0xf10 fs/bcachefs/super.c:356 bch2_fs_read_only_work+0x2c/0x40 fs/bcachefs/super.c:393 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz-executor.3:7488 blocked for more than 143 seconds. Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:22264 pid:7488 tgid:7487 ppid:6021 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0xf15/0x5d00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline] __down_write_common+0x950/0x13f0 kernel/locking/rwsem.c:1306 __bch2_fs_stop+0xf4/0x540 fs/bcachefs/super.c:612 bch2_fs_stop fs/bcachefs/super.c:672 [inline] bch2_fs_open+0x761/0x1110 fs/bcachefs/super.c:2139 bch2_mount+0xdea/0x11d0 fs/bcachefs/fs.c:1917 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8f/0x380 fs/super.c:1780 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __x64_sys_mount+0x297/0x320 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7da87e5ea RSP: 002b:00007fe7db5fbef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe7db5fbf80 RCX: 00007fe7da87e5ea RDX: 0000000020005d80 RSI: 0000000020005dc0 RDI: 00007fe7db5fbf40 RBP: 0000000020005d80 R08: 00007fe7db5fbf80 R09: 0000000000000018 R10: 0000000000000018 R11: 0000000000000202 R12: 0000000020005dc0 R13: 00007fe7db5fbf40 R14: 0000000000005d9b R15: 0000000020006040 Showing all locks held in the system: 2 locks held by kworker/0:1/9: #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206 #1: ffffc900000e7d80 (free_ipc_work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207 3 locks held by kworker/1:0/25: #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206 #1: ffffc900001f7d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207 #2: ffffffff8f74b468 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 1 lock held by khungtaskd/30: #0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8dbb18e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614 5 locks held by kworker/u8:4/62: #0: ffff8880162d3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206 #1: ffffc900015d7d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207 #2: ffffffff8f7361d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594 #3: ffffffff8f74b468 (rtnl_mutex){+.+.}-{3:3}, at: cleanup_net+0x503/0xbf0 net/core/net_namespace.c:630 #4: ffffffff8dbbd078 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:323 1 lock held by dhcpcd/4749: #0: ffffffff8f74b468 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x26e/0x1f10 net/ipv4/devinet.c:1101