[ 1291.549783][ T8081] 
[ 1291.549961][ T8081] =============================
[ 1291.550159][ T8081] WARNING: suspicious RCU usage
[ 1291.550338][ T8081] 6.12.0-virtme #1 Not tainted
[ 1291.550536][ T8081] -----------------------------
[ 1291.550750][ T8081] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1291.551033][ T8081] 
[ 1291.551033][ T8081] other info that might help us debug this:
[ 1291.551033][ T8081] 
[ 1291.551394][ T8081] 
[ 1291.551394][ T8081] rcu_scheduler_active = 2, debug_locks = 1
[ 1291.551688][ T8081] no locks held by smcrouted/8081.
[ 1291.551886][ T8081] 
[ 1291.551886][ T8081] stack backtrace:
[ 1291.552118][ T8081] CPU: 2 UID: 0 PID: 8081 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1291.552401][ T8081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1291.552603][ T8081] Call Trace:
[ 1291.552729][ T8081]  <TASK>
[ 1291.552822][ T8081]  dump_stack_lvl+0xb0/0xd0
[ 1291.552994][ T8081]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1291.553161][ T8081]  ip6mr_get_table+0x142/0x190
[ 1291.553329][ T8081]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1291.553500][ T8081]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1291.553713][ T8081]  ? __lock_release+0x103/0x460
[ 1291.553877][ T8081]  ? __might_fault+0x11b/0x170
[ 1291.554041][ T8081]  ? trace_lock_acquire+0x14d/0x1f0
[ 1291.554207][ T8081]  ? __might_fault+0xc3/0x170
[ 1291.554373][ T8081]  ? lock_acquire+0x32/0xc0
[ 1291.554532][ T8081]  ? __might_fault+0xc3/0x170
[ 1291.554723][ T8081]  ? __might_fault+0x11b/0x170
[ 1291.554916][ T8081]  do_ipv6_setsockopt+0x705/0x34e0
[ 1291.555101][ T8081]  ? validate_chain+0x160/0xae0
[ 1291.555275][ T8081]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1291.555451][ T8081]  ? __pfx_validate_chain+0x10/0x10
[ 1291.555626][ T8081]  ? hlock_class+0x4e/0x130
[ 1291.555808][ T8081]  ? mark_lock+0x38/0x3e0
[ 1291.555944][ T8081]  ? __lock_acquire+0xb9a/0x1680
[ 1291.556131][ T8081]  ? find_held_lock+0x2c/0x110
[ 1291.556318][ T8081]  ? __lock_release+0x103/0x460
[ 1291.556494][ T8081]  ? __create_object+0x5e/0xb0
[ 1291.556673][ T8081]  ? __pfx___lock_release+0x10/0x10
[ 1291.556853][ T8081]  ? __pfx_validate_chain+0x10/0x10
[ 1291.557034][ T8081]  ? hlock_class+0x4e/0x130
[ 1291.557208][ T8081]  ? mark_lock+0x38/0x3e0
[ 1291.557356][ T8081]  ? ipv6_setsockopt+0x7f/0xe0
[ 1291.557531][ T8081]  ipv6_setsockopt+0x7f/0xe0
[ 1291.557712][ T8081]  rawv6_setsockopt+0xb7/0x550
[ 1291.557894][ T8081]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1291.558069][ T8081]  ? find_held_lock+0x2c/0x110
[ 1291.558240][ T8081]  ? kfree+0x2d/0x340
[ 1291.558373][ T8081]  ? __lock_release+0x103/0x460
[ 1291.558546][ T8081]  ? fd_install+0x1d1/0x5a0
[ 1291.558728][ T8081]  do_sock_setsockopt+0x149/0x3a0
[ 1291.558912][ T8081]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1291.559100][ T8081]  __sys_setsockopt+0xec/0x160
[ 1291.559282][ T8081]  __x64_sys_setsockopt+0xbd/0x160
[ 1291.559448][ T8081]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1291.559663][ T8081]  do_syscall_64+0xc1/0x1d0
[ 1291.559844][ T8081]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1291.560073][ T8081] RIP: 0033:0x7fa65dfdc91e
[ 1291.560264][ T8081] 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
[ 1291.560885][ T8081] RSP: 002b:00007ffd55d18ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1291.561159][ T8081] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa65dfdc91e
[ 1291.561422][ T8081] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1291.561687][ T8081] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1291.561957][ T8081] R10: 00007ffd55d18aec R11: 0000000000000246 R12: 0000000000000000
[ 1291.562219][ T8081] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa65e0e1000
[ 1291.562492][ T8081]  </TASK>
[ 1291.565446][ T8081] veth0: entered allmulticast mode
[ 1291.566059][ T8081] veth1: entered allmulticast mode
[ 1291.566468][ T8081] veth2: entered allmulticast mode
[ 1291.566849][ T8081] veth3: entered allmulticast mode
[ 1310.741221][ T8081] veth0: left allmulticast mode
[ 1310.741693][ T8081] veth1: left allmulticast mode
[ 1310.741958][ T8081] veth2: left allmulticast mode
[ 1310.742209][ T8081] veth3: left allmulticast mode