[ 416.259635][T14456] gre: GRE over IPv4 demultiplexer driver [ 416.367999][T14456] ip6_gre: GRE over IPv6 tunneling driver [ 416.563554][ T67] ip6_tunnel: g1 xmit: Local address not yet configured! [ 416.723464][ T67] ip6_tunnel: g1 xmit: Local address not yet configured! [ 418.456088][T14479] 8021q: 802.1Q VLAN Support v1.8 [ 419.569986][T14490] [ 419.570376][T14490] ============================= [ 419.570674][T14490] WARNING: suspicious RCU usage [ 419.571190][T14490] 6.15.0-rc5-virtme #1 Not tainted [ 419.571476][T14490] ----------------------------- [ 419.571763][T14490] ./include/net/addrconf.h:347 suspicious rcu_dereference_check() usage! [ 419.572181][T14490] [ 419.572181][T14490] other info that might help us debug this: [ 419.572181][T14490] [ 419.572731][T14490] [ 419.572731][T14490] rcu_scheduler_active = 2, debug_locks = 1 [ 419.573145][T14490] 1 lock held by ip/14490: [ 419.573418][T14490] #0: ffff888001d92030 (&tb->tb6_lock){+...}-{3:3}, at: ip6_route_multipath_add+0x743/0x1450 [ 419.574009][T14490] [ 419.574009][T14490] stack backtrace: [ 419.574344][T14490] CPU: 1 UID: 0 PID: 14490 Comm: ip Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 419.574349][T14490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 419.574351][T14490] Call Trace: [ 419.574353][T14490] [ 419.574355][T14490] dump_stack_lvl+0xb0/0xd0 [ 419.574364][T14490] lockdep_rcu_suspicious+0x166/0x270 [ 419.574374][T14490] rt6_multipath_rebalance.part.0+0x70c/0x8a0 [ 419.574383][T14490] fib6_add_rt2node+0xa36/0x2c00 [ 419.574387][T14490] ? lockdep_hardirqs_on+0x7c/0x110 [ 419.574392][T14490] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 419.574406][T14490] ? __pfx_fib6_add_rt2node+0x10/0x10 [ 419.574409][T14490] ? fib6_add_1.constprop.0+0x486/0x15e0 [ 419.574421][T14490] fib6_add+0x38d/0xec0 [ 419.574428][T14490] ? do_raw_spin_lock+0x130/0x270 [ 419.574433][T14490] ? __pfx_fib6_add+0x10/0x10 [ 419.574435][T14490] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 419.574440][T14490] ? lock_acquire+0x10c/0x170 [ 419.574442][T14490] ? ip6_route_multipath_add+0x743/0x1450 [ 419.574452][T14490] ip6_route_multipath_add+0x75b/0x1450 [ 419.574466][T14490] ? __pfx_ip6_route_multipath_add+0x10/0x10 [ 419.574495][T14490] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 419.574499][T14490] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 419.574504][T14490] inet6_rtm_newroute+0xb2/0x120 [ 419.574509][T14490] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 419.574527][T14490] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 419.574531][T14490] ? __lock_release+0x5d/0x170 [ 419.574537][T14490] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 419.574542][T14490] rtnetlink_rcv_msg+0x710/0xc00 [ 419.574548][T14490] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 419.574550][T14490] ? validate_chain+0x166/0x4d0 [ 419.574566][T14490] netlink_rcv_skb+0x12f/0x360 [ 419.574571][T14490] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 419.574577][T14490] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 419.574581][T14490] ? __lock_acquire+0x591/0x9d0 [ 419.574594][T14490] ? netlink_deliver_tap+0x13e/0x340 [ 419.574597][T14490] ? __lock_release+0x5d/0x170 [ 419.574604][T14490] ? netlink_deliver_tap+0x13e/0x340 [ 419.574607][T14490] ? netlink_deliver_tap+0xc3/0x340 [ 419.574614][T14490] netlink_unicast+0x449/0x710 [ 419.574622][T14490] ? __pfx_netlink_unicast+0x10/0x10 [ 419.574626][T14490] ? __lock_acquire+0x591/0x9d0 [ 419.574636][T14490] netlink_sendmsg+0x721/0xbe0 [ 419.574644][T14490] ? __pfx_netlink_sendmsg+0x10/0x10 [ 419.574650][T14490] ? __import_iovec+0x238/0x3c0 [ 419.574663][T14490] ____sys_sendmsg+0x7aa/0xa10 [ 419.574673][T14490] ? __pfx_____sys_sendmsg+0x10/0x10 [ 419.574678][T14490] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 419.574698][T14490] ___sys_sendmsg+0xed/0x170 [ 419.574705][T14490] ? __pfx____sys_sendmsg+0x10/0x10 [ 419.574709][T14490] ? __pfx_handle_pte_fault+0x10/0x10 [ 419.574716][T14490] ? reacquire_held_locks+0xd1/0x200 [ 419.574719][T14490] ? do_user_addr_fault+0x461/0xe00 [ 419.574733][T14490] ? __handle_mm_fault+0x3fc/0x5e0 [ 419.574740][T14490] ? __pfx___handle_mm_fault+0x10/0x10 [ 419.574744][T14490] ? __lock_release+0xa8/0x170 [ 419.574772][T14490] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 419.574784][T14490] __sys_sendmsg+0x108/0x1a0 [ 419.574791][T14490] ? __pfx___sys_sendmsg+0x10/0x10 [ 419.574798][T14490] ? exc_page_fault+0x5e/0xd0 [ 419.574816][T14490] ? do_user_addr_fault+0x959/0xe00 [ 419.574828][T14490] ? rcu_is_watching+0x12/0xc0 [ 419.574841][T14490] do_syscall_64+0xc1/0x1d0 [ 419.574851][T14490] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 419.574857][T14490] RIP: 0033:0x7f599f0cf9a7 [ 419.574864][T14490] 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 [ 419.574869][T14490] RSP: 002b:00007ffdc0143668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 419.574875][T14490] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f599f0cf9a7 [ 419.574878][T14490] RDX: 0000000000000000 RSI: 00007ffdc01436d0 RDI: 0000000000000005 [ 419.574881][T14490] RBP: 00007ffdc0143a1c R08: 0000000000000038 R09: 00007ffdc01436c6 [ 419.574883][T14490] R10: 00007ffdc0147991 R11: 0000000000000246 R12: 00007ffdc01449e0 [ 419.574886][T14490] R13: 0000000068258af8 R14: 0000000000498600 R15: 00007ffdc0147980 [ 419.574901][T14490] [ 423.690529][ T67] ip6_tunnel: g2 xmit: Local address not yet configured! [ 423.799909][ T67] ip6_tunnel: g2 xmit: Local address not yet configured! [ 588.968625][ C3] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1009299157 wd_nsec: 1009298660