[ 1290.801070][T15950] 
[ 1290.801219][T15950] =============================
[ 1290.801399][T15950] WARNING: suspicious RCU usage
[ 1290.802411][T15950] 6.12.0-virtme #1 Not tainted
[ 1290.802701][T15950] -----------------------------
[ 1290.802883][T15950] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1290.803141][T15950] 
[ 1290.803141][T15950] other info that might help us debug this:
[ 1290.803141][T15950] 
[ 1290.803509][T15950] 
[ 1290.803509][T15950] rcu_scheduler_active = 2, debug_locks = 1
[ 1290.803844][T15950] no locks held by smcrouted/15950.
[ 1290.804043][T15950] 
[ 1290.804043][T15950] stack backtrace:
[ 1290.804270][T15950] CPU: 3 UID: 0 PID: 15950 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1290.804543][T15950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1290.804766][T15950] Call Trace:
[ 1290.804905][T15950]  <TASK>
[ 1290.805001][T15950]  dump_stack_lvl+0xb0/0xd0
[ 1290.805189][T15950]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1290.805370][T15950]  ip6mr_get_table+0x142/0x190
[ 1290.805540][T15950]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1290.805700][T15950]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1290.805916][T15950]  ? __lock_release+0x103/0x460
[ 1290.806081][T15950]  ? __might_fault+0x11b/0x170
[ 1290.806252][T15950]  ? trace_lock_acquire+0x14d/0x1f0
[ 1290.806423][T15950]  ? __might_fault+0xc3/0x170
[ 1290.806590][T15950]  ? lock_acquire+0x32/0xc0
[ 1290.806764][T15950]  ? __might_fault+0xc3/0x170
[ 1290.806940][T15950]  ? __might_fault+0x11b/0x170
[ 1290.807122][T15950]  do_ipv6_setsockopt+0x705/0x34e0
[ 1290.807304][T15950]  ? validate_chain+0x160/0xae0
[ 1290.807481][T15950]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1290.807659][T15950]  ? __pfx_validate_chain+0x10/0x10
[ 1290.807829][T15950]  ? hlock_class+0x4e/0x130
[ 1290.808003][T15950]  ? mark_lock+0x38/0x3e0
[ 1290.808141][T15950]  ? __lock_acquire+0xb9a/0x1680
[ 1290.808323][T15950]  ? find_held_lock+0x2c/0x110
[ 1290.808498][T15950]  ? __lock_release+0x103/0x460
[ 1290.808669][T15950]  ? __create_object+0x5e/0xb0
[ 1290.808834][T15950]  ? __pfx___lock_release+0x10/0x10
[ 1290.809004][T15950]  ? __pfx_validate_chain+0x10/0x10
[ 1290.809158][T15950]  ? hlock_class+0x4e/0x130
[ 1290.809315][T15950]  ? mark_lock+0x38/0x3e0
[ 1290.809446][T15950]  ? ipv6_setsockopt+0x7f/0xe0
[ 1290.809605][T15950]  ipv6_setsockopt+0x7f/0xe0
[ 1290.809764][T15950]  rawv6_setsockopt+0xb7/0x550
[ 1290.809936][T15950]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1290.810099][T15950]  ? find_held_lock+0x2c/0x110
[ 1290.810272][T15950]  ? kfree+0x2d/0x340
[ 1290.810402][T15950]  ? __lock_release+0x103/0x460
[ 1290.810571][T15950]  ? fd_install+0x1d1/0x5a0
[ 1290.810737][T15950]  do_sock_setsockopt+0x149/0x3a0
[ 1290.810896][T15950]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1290.811066][T15950]  __sys_setsockopt+0xec/0x160
[ 1290.811244][T15950]  __x64_sys_setsockopt+0xbd/0x160
[ 1290.811409][T15950]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1290.811622][T15950]  do_syscall_64+0xc1/0x1d0
[ 1290.811801][T15950]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1290.811998][T15950] RIP: 0033:0x7fb4beaf891e
[ 1290.812164][T15950] 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
[ 1290.812716][T15950] RSP: 002b:00007ffd4a107b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1290.812958][T15950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4beaf891e
[ 1290.813197][T15950] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1290.813450][T15950] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1290.813683][T15950] R10: 00007ffd4a107bbc R11: 0000000000000246 R12: 0000000000000000
[ 1290.813931][T15950] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb4bebfd000
[ 1290.814191][T15950]  </TASK>
[ 1290.817603][T15950] veth0: entered allmulticast mode
[ 1290.818159][T15950] veth1: entered allmulticast mode
[ 1290.819846][T15950] veth2: entered allmulticast mode
[ 1290.820191][T15950] veth3: entered allmulticast mode
[ 1309.360147][T15950] veth0: left allmulticast mode
[ 1309.360496][T15950] veth1: left allmulticast mode
[ 1309.360775][T15950] veth2: left allmulticast mode
[ 1309.361008][T15950] veth3: left allmulticast mode