[ 16.044654][ T278] ip (278) used greatest stack depth: 24080 bytes left [ 21.086717][ T327] gre: GRE over IPv4 demultiplexer driver [ 21.163090][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 21.372794][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 21.526532][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 23.530450][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 24.614273][ T361] [ 24.614630][ T361] ============================= [ 24.615046][ T361] WARNING: suspicious RCU usage [ 24.615519][ T361] 6.15.0-rc5-virtme #1 Not tainted [ 24.615943][ T361] ----------------------------- [ 24.616396][ T361] ./include/net/addrconf.h:347 suspicious rcu_dereference_check() usage! [ 24.617088][ T361] [ 24.617088][ T361] other info that might help us debug this: [ 24.617088][ T361] [ 24.617957][ T361] [ 24.617957][ T361] rcu_scheduler_active = 2, debug_locks = 1 [ 24.618617][ T361] 1 lock held by ip/361: [ 24.618943][ T361] #0: ffff88800c17b830 (&tb->tb6_lock){+...}-{3:3}, at: ip6_route_multipath_add+0x743/0x1450 [ 24.619823][ T361] [ 24.619823][ T361] stack backtrace: [ 24.620385][ T361] CPU: 1 UID: 0 PID: 361 Comm: ip Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 24.620393][ T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.620395][ T361] Call Trace: [ 24.620399][ T361] [ 24.620402][ T361] dump_stack_lvl+0xb0/0xd0 [ 24.620415][ T361] lockdep_rcu_suspicious+0x166/0x270 [ 24.620431][ T361] rt6_multipath_rebalance.part.0+0x70c/0x8a0 [ 24.620447][ T361] fib6_add_rt2node+0xa36/0x2c00 [ 24.620452][ T361] ? lockdep_hardirqs_on+0x7c/0x110 [ 24.620460][ T361] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 24.620487][ T361] ? __pfx_fib6_add_rt2node+0x10/0x10 [ 24.620493][ T361] ? fib6_add_1.constprop.0+0x486/0x15e0 [ 24.620518][ T361] fib6_add+0x38d/0xec0 [ 24.620532][ T361] ? do_raw_spin_lock+0x130/0x270 [ 24.620539][ T361] ? __pfx_fib6_add+0x10/0x10 [ 24.620542][ T361] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 24.620549][ T361] ? lock_acquire+0x10c/0x170 [ 24.620554][ T361] ? ip6_route_multipath_add+0x743/0x1450 [ 24.620573][ T361] ip6_route_multipath_add+0x75b/0x1450 [ 24.620598][ T361] ? __pfx_ip6_route_multipath_add+0x10/0x10 [ 24.620653][ T361] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 24.620659][ T361] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 24.620669][ T361] inet6_rtm_newroute+0xb2/0x120 [ 24.620677][ T361] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 24.620707][ T361] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 24.620714][ T361] ? __lock_release+0x5d/0x170 [ 24.620726][ T361] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 24.620735][ T361] rtnetlink_rcv_msg+0x710/0xc00 [ 24.620747][ T361] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 24.620752][ T361] ? validate_chain+0x166/0x4d0 [ 24.620780][ T361] netlink_rcv_skb+0x12f/0x360 [ 24.620789][ T361] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 24.620800][ T361] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 24.620806][ T361] ? __lock_acquire+0x591/0x9d0 [ 24.620826][ T361] ? netlink_deliver_tap+0x13e/0x340 [ 24.620832][ T361] ? __lock_release+0x5d/0x170 [ 24.620841][ T361] ? netlink_deliver_tap+0x13e/0x340 [ 24.620846][ T361] ? netlink_deliver_tap+0xc3/0x340 [ 24.620858][ T361] netlink_unicast+0x449/0x710 [ 24.620873][ T361] ? __pfx_netlink_unicast+0x10/0x10 [ 24.620881][ T361] ? __lock_acquire+0x591/0x9d0 [ 24.620900][ T361] netlink_sendmsg+0x721/0xbe0 [ 24.620916][ T361] ? __pfx_netlink_sendmsg+0x10/0x10 [ 24.620928][ T361] ? __import_iovec+0x238/0x3c0 [ 24.620948][ T361] ____sys_sendmsg+0x7aa/0xa10 [ 24.620959][ T361] ? __pfx_____sys_sendmsg+0x10/0x10 [ 24.620963][ T361] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 24.620994][ T361] ___sys_sendmsg+0xed/0x170 [ 24.621008][ T361] ? __pfx____sys_sendmsg+0x10/0x10 [ 24.621016][ T361] ? __pfx_handle_pte_fault+0x10/0x10 [ 24.621026][ T361] ? reacquire_held_locks+0xd1/0x200 [ 24.621032][ T361] ? do_user_addr_fault+0x461/0xe00 [ 24.621046][ T361] ? __handle_mm_fault+0x3fc/0x5e0 [ 24.621053][ T361] ? __pfx___handle_mm_fault+0x10/0x10 [ 24.621058][ T361] ? __lock_release+0xa8/0x170 [ 24.621088][ T361] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 24.621101][ T361] __sys_sendmsg+0x108/0x1a0 [ 24.621108][ T361] ? __pfx___sys_sendmsg+0x10/0x10 [ 24.621115][ T361] ? exc_page_fault+0x5e/0xd0 [ 24.621134][ T361] ? do_user_addr_fault+0x959/0xe00 [ 24.621147][ T361] ? rcu_is_watching+0x12/0xc0 [ 24.621161][ T361] do_syscall_64+0xc1/0x1d0 [ 24.621172][ T361] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 24.621179][ T361] RIP: 0033:0x7eff13f2a9a7 [ 24.621186][ T361] 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 [ 24.621191][ T361] RSP: 002b:00007ffd3d579a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.621196][ T361] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff13f2a9a7 [ 24.621199][ T361] RDX: 0000000000000000 RSI: 00007ffd3d579ab0 RDI: 0000000000000005 [ 24.621202][ T361] RBP: 00007ffd3d579dfc R08: 0000000000000038 R09: 00007ffd3d579aa6 [ 24.621205][ T361] R10: 00007ffd3d57c98b R11: 0000000000000246 R12: 00007ffd3d57adc0 [ 24.621208][ T361] R13: 0000000068258879 R14: 0000000000498600 R15: 00007ffd3d57c97a [ 24.621231][ T361] [ 27.667226][ T388] GACT probability NOT on [ 29.465168][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 29.600670][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr