| TITLE: INFO: rcu detected stall in netlink_sendmsg |
| |
| [ 287.048281] INFO: rcu_sched self-detected stall on CPU |
| [ 287.053694] 0: (104999 ticks this GP) idle=769/140000000000001/0 softirq=28286/28286 fqs=34911 |
| [ 287.062584] (t=105000 jiffies g=13648 c=13647 q=595) |
| [ 287.067988] Task dump for CPU 0: |
| [ 287.071369] syz-executor2 R running task on cpu 0 0 7831 4518 0x2002000c 181735472838 |
| [ 287.080530] 00000000000011a6 000000001a7b0e17 ffff8801daa07bd8 ffffffff816ecb37 |
| [ 287.088617] ffff8801daa1f780 0000000000000000 dffffc0000000000 ffffffff83fca0c0 |
| [ 287.096597] ffffffff83fca134 ffff8801daa07be8 ffffffff816ed2bc ffff8801daa07c08 |
| [ 287.104578] Call Trace: |
| [ 287.107132] <IRQ> [<ffffffff816ecb37>] _sched_show_task+0x31a/0x325 |
| [ 287.113816] [<ffffffff816ed2bc>] sched_show_task+0x10/0x12 |
| [ 287.119500] [<ffffffff816ed461>] dump_cpu_task+0x7e/0x83 |
| [ 287.125012] [<ffffffff816f6c18>] rcu_dump_cpu_stacks+0x155/0x169 |
| [ 287.131219] [<ffffffff816f75c1>] rcu_check_callbacks.cold.76+0x61e/0xc77 |
| [ 287.143892] [<ffffffff814f2c8f>] update_process_times+0x3f/0x70 |
| [ 287.150010] [<ffffffff8151c19a>] tick_sched_handle.isra.16+0x5a/0x100 |
| [ 287.156649] [<ffffffff8151c84a>] tick_sched_timer+0x7a/0x130 |
| [ 287.162510] [<ffffffff814f5dc5>] __hrtimer_run_queues+0x3a5/0xc50 |
| [ 287.200662] [<ffffffff814f6fee>] hrtimer_interrupt+0x18e/0x400 |
| [ 287.206695] [<ffffffff81297744>] local_apic_timer_interrupt+0x74/0x90 |
| [ 287.213352] [<ffffffff81012dff>] smp_apic_timer_interrupt+0xdf/0x130 |
| [ 287.219929] [<ffffffff81011c72>] smp_apic_timer_interrupt_entry_after_kaiser_bti+0x20/0x2e |
| [ 287.228401] <EOI> [<ffffffff82a7a1ab>] ? alloc_netdev_mqs+0x97b/0xc50 |
| [ 287.241566] [<ffffffff8139d8d8>] __kernel_text_address+0x88/0xc0 |
| [ 287.247777] [<ffffffff81241324>] print_context_stack+0x54/0xe0 |
| [ 287.253814] [<ffffffff8124041d>] dump_trace+0x16d/0x320 |
| [ 287.259241] [<ffffffff81261a0b>] save_stack_trace+0x2b/0x50 |
| [ 287.265014] [<ffffffff8183c0f3>] save_stack+0x43/0xd0 |
| [ 287.412837] [<ffffffff8183c384>] kasan_kmalloc+0xc4/0xe0 |
| [ 287.418346] [<ffffffff8183c932>] kasan_slab_alloc+0x12/0x20 |
| [ 287.424118] [<ffffffff81835be3>] kmem_cache_alloc+0x5e3/0x740 |
| [ 287.436125] [<ffffffff81dedefe>] ida_pre_get+0x12e/0x2b0 |
| [ 287.453551] [<ffffffff81dee159>] ida_simple_get+0xd9/0x1e0 |
| [ 287.471649] [<ffffffff81a2ee37>] __kernfs_new_node+0x97/0x2c0 |
| [ 287.477598] [<ffffffff81a32805>] kernfs_new_node+0x85/0xf0 |
| [ 287.483282] [<ffffffff81a37510>] __kernfs_create_file+0x50/0x2a0 |
| [ 287.489487] [<ffffffff81a39526>] sysfs_add_file_mode_ns+0x1f6/0x510 |
| [ 287.495955] [<ffffffff81a398d0>] sysfs_create_file_ns+0x90/0xb0 |
| [ 287.502085] [<ffffffff81df09a6>] kobject_add_internal+0x476/0x990 |
| [ 287.508396] [<ffffffff81df0fa7>] kobject_init_and_add+0xe7/0x140 |
| [ 287.521073] [<ffffffff82af31d4>] netdev_queue_update_kobjects+0xf4/0x2b0 |
| [ 287.527973] [<ffffffff82af36df>] netdev_register_kobject+0x22f/0x2f0 |
| [ 287.534545] [<ffffffff82a96b01>] register_netdevice+0x7d1/0xf60 |
| [ 287.565577] [<ffffffff82e69108>] ip_tunnel_newlink+0x378/0x770 |
| [ 287.577761] [<ffffffff82e7f0f2>] ipgre_newlink+0x102/0x160 |
| [ 287.608141] [<ffffffff82ad02d5>] rtnl_newlink+0x1055/0x15c0 |
| [ 287.699732] [<ffffffff82ad0cf4>] rtnetlink_rcv_msg+0x4b4/0x700 |
| [ 287.736738] [<ffffffff82c10ad3>] netlink_rcv_skb+0x143/0x370 |
| [ 287.748552] [<ffffffff82ac112f>] rtnetlink_rcv+0x2f/0x40 |
| [ 287.754063] [<ffffffff82c0f5d7>] netlink_unicast+0x517/0x740 |
| [ 287.778219] [<ffffffff82c0ffe4>] netlink_sendmsg+0x7e4/0xc90 |
| [ 287.802726] [<ffffffff82a09048>] sock_sendmsg+0xe8/0x150 |
| [ 287.808240] [<ffffffff82a0cb90>] ___sys_sendmsg+0x760/0x8b0 |
| [ 287.858329] [<ffffffff82a0f88b>] __sys_sendmsg+0xdb/0x190 |
| [ 287.888147] [<ffffffff82b2c18f>] compat_SyS_sendmsg+0x2f/0x40 |
| [ 287.894111] [<ffffffff8307b2f0>] sysenter_dispatch+0xf/0x32 |
