[ 1315.309376][ T7681] 
[ 1315.310528][ T7681] =============================
[ 1315.310697][ T7681] WARNING: suspicious RCU usage
[ 1315.310867][ T7681] 6.12.0-rc6-virtme #1 Not tainted
[ 1315.311021][ T7681] -----------------------------
[ 1315.311176][ T7681] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1315.311430][ T7681] 
[ 1315.311430][ T7681] other info that might help us debug this:
[ 1315.311430][ T7681] 
[ 1315.311749][ T7681] 
[ 1315.311749][ T7681] rcu_scheduler_active = 2, debug_locks = 1
[ 1315.311980][ T7681] no locks held by smcrouted/7681.
[ 1315.312146][ T7681] 
[ 1315.312146][ T7681] stack backtrace:
[ 1315.312342][ T7681] CPU: 3 UID: 0 PID: 7681 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1315.312632][ T7681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1315.312827][ T7681] Call Trace:
[ 1315.312952][ T7681]  <TASK>
[ 1315.313038][ T7681]  dump_stack_lvl+0xb0/0xd0
[ 1315.313204][ T7681]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1315.313369][ T7681]  ip6mr_get_table+0x142/0x190
[ 1315.313550][ T7681]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1315.313727][ T7681]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1315.313938][ T7681]  ? __lock_release+0x103/0x460
[ 1315.314096][ T7681]  ? __might_fault+0x11b/0x170
[ 1315.314256][ T7681]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.314437][ T7681]  ? __might_fault+0xc3/0x170
[ 1315.314597][ T7681]  ? lock_acquire+0x32/0xc0
[ 1315.314752][ T7681]  ? __might_fault+0xc3/0x170
[ 1315.314913][ T7681]  ? __might_fault+0x11b/0x170
[ 1315.315077][ T7681]  do_ipv6_setsockopt+0x705/0x34e0
[ 1315.315232][ T7681]  ? __lock_release+0xe0/0x460
[ 1315.315397][ T7681]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1315.315557][ T7681]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1315.315719][ T7681]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.315875][ T7681]  ? validate_chain+0x1fe/0xae0
[ 1315.316033][ T7681]  ? is_bpf_text_address+0x67/0x120
[ 1315.316202][ T7681]  ? __pfx_validate_chain+0x10/0x10
[ 1315.316359][ T7681]  ? hlock_class+0x4e/0x130
[ 1315.316531][ T7681]  ? mark_lock+0x38/0x3e0
[ 1315.316655][ T7681]  ? __lock_acquire+0xb3f/0x1580
[ 1315.316817][ T7681]  ? find_held_lock+0x2c/0x110
[ 1315.316983][ T7681]  ? ipv6_setsockopt+0x7f/0xe0
[ 1315.317140][ T7681]  ipv6_setsockopt+0x7f/0xe0
[ 1315.317300][ T7681]  rawv6_setsockopt+0xb7/0x550
[ 1315.317469][ T7681]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1315.317629][ T7681]  ? __lock_acquire+0xb3f/0x1580
[ 1315.317791][ T7681]  ? kfree+0x2d/0x340
[ 1315.317915][ T7681]  do_sock_setsockopt+0x149/0x3a0
[ 1315.318072][ T7681]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1315.318227][ T7681]  ? __lock_release+0x103/0x460
[ 1315.318384][ T7681]  ? fd_install+0x1d1/0x5a0
[ 1315.318550][ T7681]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.318708][ T7681]  ? fdget+0x52/0x1e0
[ 1315.318838][ T7681]  __sys_setsockopt+0x104/0x1a0
[ 1315.318998][ T7681]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1315.319160][ T7681]  ? __sys_socket+0x168/0x1e0
[ 1315.319315][ T7681]  ? __pfx___sys_socket+0x10/0x10
[ 1315.319493][ T7681]  ? do_user_addr_fault+0x374/0xe30
[ 1315.319658][ T7681]  __x64_sys_setsockopt+0xbd/0x160
[ 1315.319814][ T7681]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1315.320011][ T7681]  do_syscall_64+0xc1/0x1d0
[ 1315.320175][ T7681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1315.320384][ T7681] RIP: 0033:0x7f264c76d91e
[ 1315.320558][ T7681] 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
[ 1315.321097][ T7681] RSP: 002b:00007ffda63c08d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1315.321342][ T7681] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f264c76d91e
[ 1315.321603][ T7681] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1315.321831][ T7681] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1315.322068][ T7681] R10: 00007ffda63c08fc R11: 0000000000000246 R12: 0000000000000000
[ 1315.322307][ T7681] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f264c872000
[ 1315.322572][ T7681]  </TASK>
[ 1315.325008][ T7681] veth0: entered allmulticast mode
[ 1315.326547][ T7681] veth1: entered allmulticast mode
[ 1315.326889][ T7681] veth2: entered allmulticast mode
[ 1315.327205][ T7681] veth3: entered allmulticast mode
[ 1315.327552][ T7681] veth4: entered allmulticast mode
[ 1315.327878][ T7681] veth5: entered allmulticast mode
[ 1341.094417][ T7681] veth0: left allmulticast mode
[ 1341.094805][ T7681] veth1: left allmulticast mode
[ 1341.095054][ T7681] veth2: left allmulticast mode
[ 1341.095299][ T7681] veth3: left allmulticast mode
[ 1341.095562][ T7681] veth4: left allmulticast mode
[ 1341.095802][ T7681] veth5: left allmulticast mode