[ 1262.310663][ T4315] 
[ 1262.310943][ T4315] =============================
[ 1262.311252][ T4315] WARNING: suspicious RCU usage
[ 1262.311600][ T4315] 6.12.0-virtme #1 Not tainted
[ 1262.311893][ T4315] -----------------------------
[ 1262.312194][ T4315] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1262.312554][ T4315] 
[ 1262.312554][ T4315] other info that might help us debug this:
[ 1262.312554][ T4315] 
[ 1262.312911][ T4315] 
[ 1262.312911][ T4315] rcu_scheduler_active = 2, debug_locks = 1
[ 1262.313191][ T4315] no locks held by smcrouted/4315.
[ 1262.313395][ T4315] 
[ 1262.313395][ T4315] stack backtrace:
[ 1262.313660][ T4315] CPU: 2 UID: 0 PID: 4315 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1262.313925][ T4315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1262.314142][ T4315] Call Trace:
[ 1262.314282][ T4315]  <TASK>
[ 1262.314379][ T4315]  dump_stack_lvl+0xb0/0xd0
[ 1262.314580][ T4315]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1262.314763][ T4315]  ip6mr_get_table+0x142/0x190
[ 1262.314943][ T4315]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1262.315120][ T4315]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1262.315338][ T4315]  ? __lock_release+0x103/0x460
[ 1262.315522][ T4315]  ? __might_fault+0x11b/0x170
[ 1262.315707][ T4315]  ? trace_lock_acquire+0x14d/0x1f0
[ 1262.315883][ T4315]  ? __might_fault+0xc3/0x170
[ 1262.316054][ T4315]  ? lock_acquire+0x32/0xc0
[ 1262.316237][ T4315]  ? __might_fault+0xc3/0x170
[ 1262.316417][ T4315]  ? __might_fault+0x11b/0x170
[ 1262.316611][ T4315]  do_ipv6_setsockopt+0x705/0x34e0
[ 1262.316786][ T4315]  ? validate_chain+0x160/0xae0
[ 1262.316960][ T4315]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1262.317135][ T4315]  ? __pfx_validate_chain+0x10/0x10
[ 1262.317305][ T4315]  ? hlock_class+0x4e/0x130
[ 1262.317479][ T4315]  ? mark_lock+0x38/0x3e0
[ 1262.317629][ T4315]  ? __lock_acquire+0xb9a/0x1680
[ 1262.317817][ T4315]  ? find_held_lock+0x2c/0x110
[ 1262.317993][ T4315]  ? __lock_release+0x103/0x460
[ 1262.318169][ T4315]  ? __create_object+0x5e/0xb0
[ 1262.318348][ T4315]  ? __pfx___lock_release+0x10/0x10
[ 1262.318524][ T4315]  ? __pfx_validate_chain+0x10/0x10
[ 1262.318698][ T4315]  ? hlock_class+0x4e/0x130
[ 1262.318871][ T4315]  ? mark_lock+0x38/0x3e0
[ 1262.319011][ T4315]  ? ipv6_setsockopt+0x7f/0xe0
[ 1262.319189][ T4315]  ipv6_setsockopt+0x7f/0xe0
[ 1262.319370][ T4315]  rawv6_setsockopt+0xb7/0x550
[ 1262.319548][ T4315]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1262.319719][ T4315]  ? find_held_lock+0x2c/0x110
[ 1262.319893][ T4315]  ? kfree+0x2d/0x340
[ 1262.320027][ T4315]  ? __lock_release+0x103/0x460
[ 1262.320206][ T4315]  ? fd_install+0x1d1/0x5a0
[ 1262.320390][ T4315]  do_sock_setsockopt+0x149/0x3a0
[ 1262.320576][ T4315]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1262.320763][ T4315]  __sys_setsockopt+0xec/0x160
[ 1262.320943][ T4315]  __x64_sys_setsockopt+0xbd/0x160
[ 1262.321113][ T4315]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1262.321324][ T4315]  do_syscall_64+0xc1/0x1d0
[ 1262.321501][ T4315]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1262.321724][ T4315] RIP: 0033:0x7f162c83c91e
[ 1262.321910][ T4315] 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
[ 1262.322510][ T4315] RSP: 002b:00007ffe2f9dc4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1262.322769][ T4315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f162c83c91e
[ 1262.323032][ T4315] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1262.323367][ T4315] RBP: 0000000000000008 R08: 0000000000000004 R09: 000000002e0fd010
[ 1262.323633][ T4315] R10: 00007ffe2f9dc51c R11: 0000000000000246 R12: 0000000000000000
[ 1262.323894][ T4315] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f162c941000
[ 1262.324167][ T4315]  </TASK>
[ 1262.328227][ T4315] veth0: entered allmulticast mode
[ 1262.331705][ T4315] veth1: entered allmulticast mode
[ 1262.332322][ T4315] veth2: entered allmulticast mode
[ 1262.333115][ T4315] veth3: entered allmulticast mode
[ 1262.333718][ T4315] veth4: entered allmulticast mode
[ 1262.334295][ T4315] veth5: entered allmulticast mode
[ 1273.275976][ T4403] GACT probability NOT on
[ 1290.004866][ T4315] veth0: left allmulticast mode
[ 1290.005327][ T4315] veth1: left allmulticast mode
[ 1290.005712][ T4315] veth2: left allmulticast mode
[ 1290.006105][ T4315] veth3: left allmulticast mode
[ 1290.006509][ T4315] veth4: left allmulticast mode
[ 1290.006881][ T4315] veth5: left allmulticast mode