[ 848.317719][ T9835] gre: GRE over IPv4 demultiplexer driver [ 848.430707][ T9835] ip6_gre: GRE over IPv6 tunneling driver [ 848.627049][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 848.794806][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 851.457408][ T9868] [ 851.457802][ T9868] ============================= [ 851.458080][ T9868] WARNING: suspicious RCU usage [ 851.458361][ T9868] 6.15.0-rc5-virtme #1 Not tainted [ 851.458642][ T9868] ----------------------------- [ 851.458925][ T9868] ./include/net/addrconf.h:347 suspicious rcu_dereference_check() usage! [ 851.459324][ T9868] [ 851.459324][ T9868] other info that might help us debug this: [ 851.459324][ T9868] [ 851.459848][ T9868] [ 851.459848][ T9868] rcu_scheduler_active = 2, debug_locks = 1 [ 851.460242][ T9868] 1 lock held by ip/9868: [ 851.460461][ T9868] #0: ffff888004e83e30 (&tb->tb6_lock){+...}-{3:3}, at: ip6_route_multipath_add+0x743/0x1450 [ 851.461044][ T9868] [ 851.461044][ T9868] stack backtrace: [ 851.461382][ T9868] CPU: 2 UID: 0 PID: 9868 Comm: ip Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 851.461386][ T9868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 851.461389][ T9868] Call Trace: [ 851.461392][ T9868] [ 851.461395][ T9868] dump_stack_lvl+0xb0/0xd0 [ 851.461404][ T9868] lockdep_rcu_suspicious+0x166/0x270 [ 851.461416][ T9868] rt6_multipath_rebalance.part.0+0x70c/0x8a0 [ 851.461425][ T9868] fib6_add_rt2node+0xa36/0x2c00 [ 851.461429][ T9868] ? lockdep_hardirqs_on+0x7c/0x110 [ 851.461435][ T9868] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 851.461450][ T9868] ? __pfx_fib6_add_rt2node+0x10/0x10 [ 851.461453][ T9868] ? fib6_add_1.constprop.0+0x486/0x15e0 [ 851.461466][ T9868] fib6_add+0x38d/0xec0 [ 851.461473][ T9868] ? do_raw_spin_lock+0x130/0x270 [ 851.461478][ T9868] ? __pfx_fib6_add+0x10/0x10 [ 851.461480][ T9868] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 851.461485][ T9868] ? lock_acquire+0x10c/0x170 [ 851.461488][ T9868] ? ip6_route_multipath_add+0x743/0x1450 [ 851.461497][ T9868] ip6_route_multipath_add+0x75b/0x1450 [ 851.461511][ T9868] ? __pfx_ip6_route_multipath_add+0x10/0x10 [ 851.461540][ T9868] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 851.461544][ T9868] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 851.461550][ T9868] inet6_rtm_newroute+0xb2/0x120 [ 851.461554][ T9868] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 851.461573][ T9868] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 851.461578][ T9868] ? __lock_release+0x5d/0x170 [ 851.461584][ T9868] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 851.461589][ T9868] rtnetlink_rcv_msg+0x710/0xc00 [ 851.461595][ T9868] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 851.461597][ T9868] ? validate_chain+0x166/0x4d0 [ 851.461613][ T9868] netlink_rcv_skb+0x12f/0x360 [ 851.461619][ T9868] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 851.461625][ T9868] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 851.461629][ T9868] ? __lock_acquire+0x591/0x9d0 [ 851.461643][ T9868] ? netlink_deliver_tap+0x13e/0x340 [ 851.461646][ T9868] ? __lock_release+0x5d/0x170 [ 851.461652][ T9868] ? netlink_deliver_tap+0x13e/0x340 [ 851.461655][ T9868] ? netlink_deliver_tap+0xc3/0x340 [ 851.461662][ T9868] netlink_unicast+0x449/0x710 [ 851.461670][ T9868] ? __pfx_netlink_unicast+0x10/0x10 [ 851.461675][ T9868] ? __lock_acquire+0x591/0x9d0 [ 851.461686][ T9868] netlink_sendmsg+0x721/0xbe0 [ 851.461695][ T9868] ? __pfx_netlink_sendmsg+0x10/0x10 [ 851.461701][ T9868] ? __import_iovec+0x238/0x3c0 [ 851.461714][ T9868] ____sys_sendmsg+0x7aa/0xa10 [ 851.461721][ T9868] ? __pfx_____sys_sendmsg+0x10/0x10 [ 851.461724][ T9868] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 851.461740][ T9868] ___sys_sendmsg+0xed/0x170 [ 851.461746][ T9868] ? __pfx____sys_sendmsg+0x10/0x10 [ 851.461751][ T9868] ? __pfx_handle_pte_fault+0x10/0x10 [ 851.461757][ T9868] ? reacquire_held_locks+0xd1/0x200 [ 851.461761][ T9868] ? do_user_addr_fault+0x461/0xe00 [ 851.461771][ T9868] ? __handle_mm_fault+0x3fc/0x5e0 [ 851.461776][ T9868] ? __pfx___handle_mm_fault+0x10/0x10 [ 851.461779][ T9868] ? __lock_release+0xa8/0x170 [ 851.461794][ T9868] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 851.461802][ T9868] __sys_sendmsg+0x108/0x1a0 [ 851.461806][ T9868] ? __pfx___sys_sendmsg+0x10/0x10 [ 851.461810][ T9868] ? exc_page_fault+0x5e/0xd0 [ 851.461820][ T9868] ? do_user_addr_fault+0x959/0xe00 [ 851.461827][ T9868] ? rcu_is_watching+0x12/0xc0 [ 851.461836][ T9868] do_syscall_64+0xc1/0x1d0 [ 851.461844][ T9868] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 851.461848][ T9868] RIP: 0033:0x7f7a04de09a7 [ 851.461853][ T9868] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 851.461857][ T9868] RSP: 002b:00007fff8040df98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 851.461860][ T9868] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7a04de09a7 [ 851.461863][ T9868] RDX: 0000000000000000 RSI: 00007fff8040e000 RDI: 0000000000000005 [ 851.461865][ T9868] RBP: 00007fff8040e34c R08: 0000000000000038 R09: 00007fff8040dff6 [ 851.461867][ T9868] R10: 00007fff80411991 R11: 0000000000000246 R12: 00007fff8040f310 [ 851.461869][ T9868] R13: 000000006825616f R14: 0000000000498600 R15: 00007fff80411980 [ 851.461883][ T9868] [ 854.358539][ T9895] GACT probability NOT on [ 855.949942][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 856.062132][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 931.972225][ C1] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1015502889 wd_nsec: 1015502434