[ 1341.862504][ T9477] 
[ 1341.862654][ T9477] =============================
[ 1341.862840][ T9477] WARNING: suspicious RCU usage
[ 1341.863022][ T9477] 6.12.0-rc7-virtme #1 Not tainted
[ 1341.863206][ T9477] -----------------------------
[ 1341.863388][ T9477] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1341.864359][ T9477] 
[ 1341.864359][ T9477] other info that might help us debug this:
[ 1341.864359][ T9477] 
[ 1341.864715][ T9477] 
[ 1341.864715][ T9477] rcu_scheduler_active = 2, debug_locks = 1
[ 1341.864983][ T9477] no locks held by smcrouted/9477.
[ 1341.865163][ T9477] 
[ 1341.865163][ T9477] stack backtrace:
[ 1341.865388][ T9477] CPU: 3 UID: 0 PID: 9477 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1341.865700][ T9477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1341.865925][ T9477] Call Trace:
[ 1341.866064][ T9477]  <TASK>
[ 1341.866161][ T9477]  dump_stack_lvl+0xb0/0xd0
[ 1341.866350][ T9477]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1341.866531][ T9477]  ip6mr_get_table+0x142/0x190
[ 1341.866719][ T9477]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1341.866906][ T9477]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1341.867140][ T9477]  ? __lock_release+0x103/0x460
[ 1341.867323][ T9477]  ? __might_fault+0x11b/0x170
[ 1341.867512][ T9477]  ? trace_lock_acquire+0x14d/0x1f0
[ 1341.867701][ T9477]  ? __might_fault+0xc3/0x170
[ 1341.867884][ T9477]  ? lock_acquire+0x32/0xc0
[ 1341.868060][ T9477]  ? __might_fault+0xc3/0x170
[ 1341.868236][ T9477]  ? __might_fault+0x11b/0x170
[ 1341.868420][ T9477]  do_ipv6_setsockopt+0x705/0x34e0
[ 1341.868596][ T9477]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1341.868782][ T9477]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1341.868965][ T9477]  ? mark_lock+0x38/0x3e0
[ 1341.869103][ T9477]  ? hlock_class+0x4e/0x130
[ 1341.869280][ T9477]  ? mark_lock+0x38/0x3e0
[ 1341.869415][ T9477]  ? hlock_class+0x4e/0x130
[ 1341.869598][ T9477]  ? __lock_acquire+0xb3f/0x1580
[ 1341.869794][ T9477]  ? udp_tun_rx_dst+0x74f/0x1040 [udp_tunnel]
[ 1341.870019][ T9477]  ? find_held_lock+0x2c/0x110
[ 1341.870209][ T9477]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1341.870387][ T9477]  ? validate_chain+0x1fe/0xae0
[ 1341.870582][ T9477]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1341.870770][ T9477]  ? ipv6_setsockopt+0x7f/0xe0
[ 1341.870945][ T9477]  ipv6_setsockopt+0x7f/0xe0
[ 1341.871118][ T9477]  rawv6_setsockopt+0xb7/0x550
[ 1341.871305][ T9477]  ? __lock_acquire+0xb3f/0x1580
[ 1341.871485][ T9477]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1341.871665][ T9477]  ? kfree+0x2d/0x340
[ 1341.871803][ T9477]  ? find_held_lock+0x2c/0x110
[ 1341.871987][ T9477]  do_sock_setsockopt+0x149/0x3a0
[ 1341.872172][ T9477]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1341.872352][ T9477]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1341.872540][ T9477]  ? fdget+0x52/0x1e0
[ 1341.872677][ T9477]  __sys_setsockopt+0x104/0x1a0
[ 1341.872863][ T9477]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1341.873041][ T9477]  ? hrtimer_interrupt+0x31d/0x770
[ 1341.873226][ T9477]  __x64_sys_setsockopt+0xbd/0x160
[ 1341.873404][ T9477]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1341.873644][ T9477]  do_syscall_64+0xc1/0x1d0
[ 1341.873832][ T9477]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1341.874059][ T9477] RIP: 0033:0x7f3d2cfa891e
[ 1341.874249][ T9477] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1341.874870][ T9477] RSP: 002b:00007ffd72619298 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1341.875145][ T9477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d2cfa891e
[ 1341.875408][ T9477] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1341.875679][ T9477] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1341.875949][ T9477] R10: 00007ffd726192bc R11: 0000000000000246 R12: 0000000000000000
[ 1341.876211][ T9477] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3d2d0ad000
[ 1341.876485][ T9477]  </TASK>
[ 1341.880462][ T9477] veth0: entered allmulticast mode
[ 1341.881066][ T9477] veth1: entered allmulticast mode
[ 1341.881410][ T9477] veth2: entered allmulticast mode
[ 1341.881751][ T9477] veth3: entered allmulticast mode
[ 1360.320081][ T9477] veth0: left allmulticast mode
[ 1360.320523][ T9477] veth1: left allmulticast mode
[ 1360.320774][ T9477] veth2: left allmulticast mode
[ 1360.321027][ T9477] veth3: left allmulticast mode