[ 563.363952][ T3152] veth7: left promiscuous mode [ 565.789929][ T3175] [ 565.790284][ T3175] ============================= [ 565.790577][ T3175] WARNING: suspicious RCU usage [ 565.790844][ T3175] 6.15.0-rc5-virtme #1 Not tainted [ 565.791121][ T3175] ----------------------------- [ 565.791380][ T3175] ./include/net/addrconf.h:347 suspicious rcu_dereference_check() usage! [ 565.791766][ T3175] [ 565.791766][ T3175] other info that might help us debug this: [ 565.791766][ T3175] [ 565.792317][ T3175] [ 565.792317][ T3175] rcu_scheduler_active = 2, debug_locks = 1 [ 565.792704][ T3175] 1 lock held by ip/3175: [ 565.792915][ T3175] #0: ffff8880060f6830 (&tb->tb6_lock){+.-.}-{3:3}, at: ip6_route_multipath_add+0x743/0x1450 [ 565.793484][ T3175] [ 565.793484][ T3175] stack backtrace: [ 565.794183][ T3175] CPU: 1 UID: 0 PID: 3175 Comm: ip Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 565.794188][ T3175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 565.794190][ T3175] Call Trace: [ 565.794192][ T3175] [ 565.794195][ T3175] dump_stack_lvl+0xb0/0xd0 [ 565.794203][ T3175] lockdep_rcu_suspicious+0x166/0x270 [ 565.794214][ T3175] rt6_multipath_rebalance.part.0+0x70c/0x8a0 [ 565.794223][ T3175] fib6_add_rt2node+0xa36/0x2c00 [ 565.794226][ T3175] ? lockdep_hardirqs_on+0x7c/0x110 [ 565.794231][ T3175] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 565.794245][ T3175] ? __pfx_fib6_add_rt2node+0x10/0x10 [ 565.794248][ T3175] ? fib6_add_1.constprop.0+0x486/0x15e0 [ 565.794261][ T3175] fib6_add+0x38d/0xec0 [ 565.794268][ T3175] ? do_raw_spin_lock+0x130/0x270 [ 565.794272][ T3175] ? __pfx_fib6_add+0x10/0x10 [ 565.794274][ T3175] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 565.794279][ T3175] ? lock_acquire+0x10c/0x170 [ 565.794282][ T3175] ? ip6_route_multipath_add+0x743/0x1450 [ 565.794291][ T3175] ip6_route_multipath_add+0x75b/0x1450 [ 565.794305][ T3175] ? __pfx_ip6_route_multipath_add+0x10/0x10 [ 565.794335][ T3175] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 565.794338][ T3175] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 565.794344][ T3175] inet6_rtm_newroute+0xb2/0x120 [ 565.794348][ T3175] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 565.794367][ T3175] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 565.794371][ T3175] ? __lock_release+0x5d/0x170 [ 565.794377][ T3175] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 565.794382][ T3175] rtnetlink_rcv_msg+0x710/0xc00 [ 565.794388][ T3175] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 565.794391][ T3175] ? validate_chain+0x166/0x4d0 [ 565.794406][ T3175] netlink_rcv_skb+0x12f/0x360 [ 565.794412][ T3175] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 565.794418][ T3175] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 565.794423][ T3175] ? __lock_acquire+0x591/0x9d0 [ 565.794436][ T3175] ? netlink_deliver_tap+0x13e/0x340 [ 565.794439][ T3175] ? __lock_release+0x5d/0x170 [ 565.794445][ T3175] ? netlink_deliver_tap+0x13e/0x340 [ 565.794448][ T3175] ? netlink_deliver_tap+0xc3/0x340 [ 565.794455][ T3175] netlink_unicast+0x449/0x710 [ 565.794463][ T3175] ? __pfx_netlink_unicast+0x10/0x10 [ 565.794467][ T3175] ? __lock_acquire+0x591/0x9d0 [ 565.794477][ T3175] netlink_sendmsg+0x721/0xbe0 [ 565.794486][ T3175] ? __pfx_netlink_sendmsg+0x10/0x10 [ 565.794492][ T3175] ? __import_iovec+0x238/0x3c0 [ 565.794504][ T3175] ____sys_sendmsg+0x7aa/0xa10 [ 565.794510][ T3175] ? __pfx_____sys_sendmsg+0x10/0x10 [ 565.794513][ T3175] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 565.794530][ T3175] ___sys_sendmsg+0xed/0x170 [ 565.794533][ T3175] ? kasan_record_aux_stack+0x8c/0xa0 [ 565.794539][ T3175] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 565.794546][ T3175] ? __pfx____sys_sendmsg+0x10/0x10 [ 565.794554][ T3175] ? find_held_lock+0x2b/0x80 [ 565.794564][ T3175] ? __lock_acquire+0x591/0x9d0 [ 565.794574][ T3175] ? find_held_lock+0x2b/0x80 [ 565.794579][ T3175] ? __virt_addr_valid+0x22e/0x450 [ 565.794584][ T3175] ? __lock_release+0x5d/0x170 [ 565.794597][ T3175] __sys_sendmsg+0x108/0x1a0 [ 565.794601][ T3175] ? __pfx___sys_sendmsg+0x10/0x10 [ 565.794617][ T3175] ? rcu_is_watching+0x12/0xc0 [ 565.794625][ T3175] do_syscall_64+0xc1/0x1d0 [ 565.794631][ T3175] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 565.794635][ T3175] RIP: 0033:0x7fb07df4f9a7 [ 565.794640][ T3175] 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 [ 565.794643][ T3175] RSP: 002b:00007fff60de1308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 565.794646][ T3175] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb07df4f9a7 [ 565.794649][ T3175] RDX: 0000000000000000 RSI: 00007fff60de1370 RDI: 0000000000000005 [ 565.794650][ T3175] RBP: 00007fff60de16bc R08: 0000000000000038 R09: 0000000000000000 [ 565.794652][ T3175] R10: 000000002c7c1910 R11: 0000000000000246 R12: 00007fff60de2680 [ 565.794654][ T3175] R13: 0000000068258c7e R14: 0000000000498600 R15: 00007fff60de599b [ 565.794668][ T3175]