[ 423.445768][T14456] gre: GRE over IPv4 demultiplexer driver [ 423.525594][T14456] ip6_gre: GRE over IPv6 tunneling driver [ 423.753928][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 423.929212][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 425.762266][T14478] 8021q: 802.1Q VLAN Support v1.8 [ 426.841907][T14489] [ 426.842249][T14489] ============================= [ 426.842519][T14489] WARNING: suspicious RCU usage [ 426.842799][T14489] 6.15.0-rc5-virtme #1 Not tainted [ 426.843087][T14489] ----------------------------- [ 426.843348][T14489] ./include/net/addrconf.h:347 suspicious rcu_dereference_check() usage! [ 426.843808][T14489] [ 426.843808][T14489] other info that might help us debug this: [ 426.843808][T14489] [ 426.844316][T14489] [ 426.844316][T14489] rcu_scheduler_active = 2, debug_locks = 1 [ 426.844747][T14489] 1 lock held by ip/14489: [ 426.845010][T14489] #0: ffff888007f93e30 (&tb->tb6_lock){+...}-{3:3}, at: ip6_route_multipath_add+0x743/0x1450 [ 426.845566][T14489] [ 426.845566][T14489] stack backtrace: [ 426.845920][T14489] CPU: 0 UID: 0 PID: 14489 Comm: ip Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 426.845925][T14489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 426.845930][T14489] Call Trace: [ 426.845934][T14489] [ 426.845937][T14489] dump_stack_lvl+0xb0/0xd0 [ 426.845956][T14489] lockdep_rcu_suspicious+0x166/0x270 [ 426.845979][T14489] rt6_multipath_rebalance.part.0+0x70c/0x8a0 [ 426.845989][T14489] fib6_add_rt2node+0xa36/0x2c00 [ 426.845993][T14489] ? lockdep_hardirqs_on+0x7c/0x110 [ 426.846000][T14489] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 426.846017][T14489] ? __pfx_fib6_add_rt2node+0x10/0x10 [ 426.846020][T14489] ? fib6_add_1.constprop.0+0x486/0x15e0 [ 426.846033][T14489] fib6_add+0x38d/0xec0 [ 426.846042][T14489] ? do_raw_spin_lock+0x130/0x270 [ 426.846047][T14489] ? __pfx_fib6_add+0x10/0x10 [ 426.846050][T14489] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 426.846054][T14489] ? lock_acquire+0x10c/0x170 [ 426.846057][T14489] ? ip6_route_multipath_add+0x743/0x1450 [ 426.846066][T14489] ip6_route_multipath_add+0x75b/0x1450 [ 426.846080][T14489] ? __pfx_ip6_route_multipath_add+0x10/0x10 [ 426.846109][T14489] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 426.846113][T14489] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 426.846119][T14489] inet6_rtm_newroute+0xb2/0x120 [ 426.846123][T14489] ? __pfx_inet6_rtm_newroute+0x10/0x10 [ 426.846142][T14489] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 426.846150][T14489] ? __lock_release+0x5d/0x170 [ 426.846157][T14489] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 426.846162][T14489] rtnetlink_rcv_msg+0x710/0xc00 [ 426.846168][T14489] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 426.846170][T14489] ? validate_chain+0x166/0x4d0 [ 426.846186][T14489] netlink_rcv_skb+0x12f/0x360 [ 426.846196][T14489] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 426.846202][T14489] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 426.846206][T14489] ? __lock_acquire+0x591/0x9d0 [ 426.846219][T14489] ? netlink_deliver_tap+0x13e/0x340 [ 426.846222][T14489] ? __lock_release+0x5d/0x170 [ 426.846228][T14489] ? netlink_deliver_tap+0x13e/0x340 [ 426.846232][T14489] ? netlink_deliver_tap+0xc3/0x340 [ 426.846239][T14489] netlink_unicast+0x449/0x710 [ 426.846247][T14489] ? __pfx_netlink_unicast+0x10/0x10 [ 426.846251][T14489] ? __lock_acquire+0x591/0x9d0 [ 426.846261][T14489] netlink_sendmsg+0x721/0xbe0 [ 426.846269][T14489] ? __pfx_netlink_sendmsg+0x10/0x10 [ 426.846276][T14489] ? __import_iovec+0x238/0x3c0 [ 426.846300][T14489] ____sys_sendmsg+0x7aa/0xa10 [ 426.846314][T14489] ? __pfx_____sys_sendmsg+0x10/0x10 [ 426.846317][T14489] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 426.846334][T14489] ___sys_sendmsg+0xed/0x170 [ 426.846341][T14489] ? __pfx____sys_sendmsg+0x10/0x10 [ 426.846345][T14489] ? __pfx_handle_pte_fault+0x10/0x10 [ 426.846361][T14489] ? reacquire_held_locks+0xd1/0x200 [ 426.846364][T14489] ? do_user_addr_fault+0x461/0xe00 [ 426.846382][T14489] ? __handle_mm_fault+0x3fc/0x5e0 [ 426.846386][T14489] ? __pfx___handle_mm_fault+0x10/0x10 [ 426.846389][T14489] ? __lock_release+0xa8/0x170 [ 426.846405][T14489] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 426.846413][T14489] __sys_sendmsg+0x108/0x1a0 [ 426.846417][T14489] ? __pfx___sys_sendmsg+0x10/0x10 [ 426.846421][T14489] ? exc_page_fault+0x5e/0xd0 [ 426.846431][T14489] ? do_user_addr_fault+0x959/0xe00 [ 426.846437][T14489] ? rcu_is_watching+0x12/0xc0 [ 426.846452][T14489] do_syscall_64+0xc1/0x1d0 [ 426.846461][T14489] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 426.846471][T14489] RIP: 0033:0x7f85687229a7 [ 426.846476][T14489] 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 [ 426.846479][T14489] RSP: 002b:00007ffd3d2fdc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 426.846486][T14489] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f85687229a7 [ 426.846489][T14489] RDX: 0000000000000000 RSI: 00007ffd3d2fdca0 RDI: 0000000000000005 [ 426.846491][T14489] RBP: 00007ffd3d2fdfec R08: 0000000000000038 R09: 00007ffd3d2fdc96 [ 426.846493][T14489] R10: 00007ffd3d300991 R11: 0000000000000246 R12: 00007ffd3d2fefb0 [ 426.846495][T14489] R13: 0000000068256134 R14: 0000000000498600 R15: 00007ffd3d300980 [ 426.846509][T14489] [ 430.984002][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 431.102219][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 572.522972][ C2] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1006305124 wd_nsec: 1006304542