INFO: task syz-executor.1:8569 blocked for more than 430 seconds. Not tainted 6.5.0-rc1-syzkaller-00028-gef21fa7c198e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:8569 ppid:2945 flags:0x00000004 Call Trace: [] context_switch kernel/sched/core.c:5381 [inline] [] __schedule+0x794/0x1884 kernel/sched/core.c:6710 [] schedule+0x78/0xfe kernel/sched/core.c:6786 [] __lock_sock+0x11e/0x1fc net/core/sock.c:2946 [] lock_sock_nested+0xbc/0xbe net/core/sock.c:3497 [] lock_sock include/net/sock.h:1708 [inline] [] sockopt_lock_sock net/core/sock.c:1061 [inline] [] sockopt_lock_sock+0x58/0x5a net/core/sock.c:1052 [] do_ip_setsockopt+0x194/0x2790 net/ipv4/ip_sockglue.c:956 [] ip_setsockopt+0x52/0xe6 net/ipv4/ip_sockglue.c:1455 [] tcp_setsockopt+0x76/0xb4 net/ipv4/tcp.c:3695 [] sock_common_setsockopt+0x6a/0x7c net/core/sock.c:3686 [] __sys_setsockopt+0x256/0x42c net/socket.c:2263 [] __do_sys_setsockopt net/socket.c:2274 [inline] [] sys_setsockopt+0x3a/0x4c net/socket.c:2271 [] syscall_handler+0xfa/0x148 arch/riscv/include/asm/syscall.h:90 [] do_trap_ecall_u+0x9c/0x9e arch/riscv/kernel/traps.c:310 [] ret_from_exception+0x0/0x64 arch/riscv/kernel/entry.S:102 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff851826f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x32/0x740 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffffffff85182c30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x32/0x740 kernel/rcu/tasks.h:522 1 lock held by khungtaskd/30: #0: ffffffff851829c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x40/0x1f6 kernel/locking/lockdep.c:6617 2 locks held by getty/2870: #0: ff60000012711098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340 #1: ff2000000007d2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb02/0xcf0 drivers/tty/n_tty.c:2187 3 locks held by kworker/u4:0/4630: 2 locks held by kworker/1:4/5172: 2 locks held by kworker/u4:2/8542: #0: ff60000008469138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:674 [inline] #0: ff60000008469138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ff60000008469138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x5a8/0xe0a kernel/workqueue.c:2567 #1: ff20000007fb7cf0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:674 [inline] #1: ff20000007fb7cf0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #1: ff20000007fb7cf0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x5a8/0xe0a kernel/workqueue.c:2567 1 lock held by syz-executor.1/8567: 1 lock held by syz-executor.1/8569: #0: ff600000132825f0 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1708 [inline] #0: ff600000132825f0 (sk_lock-AF_INET){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1061 [inline] #0: ff600000132825f0 (sk_lock-AF_INET){+.+.}-{0:0}, at: sockopt_lock_sock+0x58/0x5a net/core/sock.c:1052 1 lock held by syz-executor.0/8574: 1 lock held by syz-executor.0/8575: #0: ff600000108c6330 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1708 [inline] #0: ff600000108c6330 (sk_lock-AF_INET){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1061 [inline] #0: ff600000108c6330 (sk_lock-AF_INET){+.+.}-{0:0}, at: sockopt_lock_sock+0x58/0x5a net/core/sock.c:1052 2 locks held by kworker/u4:5/8588: #0: ff60000008469138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:674 [inline] #0: ff60000008469138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #0: ff60000008469138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x5a8/0xe0a kernel/workqueue.c:2567 #1: ff20000008687cf0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:674 [inline] #1: ff20000008687cf0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline] #1: ff20000008687cf0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x5a8/0xe0a kernel/workqueue.c:2567 3 locks held by modprobe/9257: 1 lock held by modprobe/9258: =============================================