[ 1297.474636][T15184] 
[ 1297.474810][T15184] =============================
[ 1297.475037][T15184] WARNING: suspicious RCU usage
[ 1297.475245][T15184] 6.12.0-rc6-virtme #1 Not tainted
[ 1297.475438][T15184] -----------------------------
[ 1297.475626][T15184] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1297.475934][T15184] 
[ 1297.475934][T15184] other info that might help us debug this:
[ 1297.475934][T15184] 
[ 1297.477177][T15184] 
[ 1297.477177][T15184] rcu_scheduler_active = 2, debug_locks = 1
[ 1297.477468][T15184] no locks held by smcrouted/15184.
[ 1297.477691][T15184] 
[ 1297.477691][T15184] stack backtrace:
[ 1297.477942][T15184] CPU: 3 UID: 0 PID: 15184 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1297.478270][T15184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1297.478493][T15184] Call Trace:
[ 1297.478659][T15184]  <TASK>
[ 1297.478763][T15184]  dump_stack_lvl+0xb0/0xd0
[ 1297.478968][T15184]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1297.479162][T15184]  ip6mr_get_table+0x142/0x190
[ 1297.479357][T15184]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1297.479561][T15184]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1297.479788][T15184]  ? __lock_release+0x103/0x460
[ 1297.479984][T15184]  ? __might_fault+0x11b/0x170
[ 1297.480165][T15184]  ? trace_lock_acquire+0x14d/0x1f0
[ 1297.480360][T15184]  ? __might_fault+0xc3/0x170
[ 1297.480573][T15184]  ? lock_acquire+0x32/0xc0
[ 1297.480783][T15184]  ? __might_fault+0xc3/0x170
[ 1297.480969][T15184]  ? __might_fault+0x11b/0x170
[ 1297.481181][T15184]  do_ipv6_setsockopt+0x705/0x34e0
[ 1297.481395][T15184]  ? __lock_release+0xe0/0x460
[ 1297.481596][T15184]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1297.481808][T15184]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1297.482041][T15184]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1297.482244][T15184]  ? validate_chain+0x1fe/0xae0
[ 1297.482452][T15184]  ? is_bpf_text_address+0x67/0x120
[ 1297.482661][T15184]  ? __pfx_validate_chain+0x10/0x10
[ 1297.482892][T15184]  ? hlock_class+0x4e/0x130
[ 1297.483077][T15184]  ? mark_lock+0x38/0x3e0
[ 1297.483227][T15184]  ? __lock_acquire+0xb3f/0x1580
[ 1297.483427][T15184]  ? find_held_lock+0x2c/0x110
[ 1297.483635][T15184]  ? ipv6_setsockopt+0x7f/0xe0
[ 1297.483823][T15184]  ipv6_setsockopt+0x7f/0xe0
[ 1297.484011][T15184]  rawv6_setsockopt+0xb7/0x550
[ 1297.484207][T15184]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1297.484377][T15184]  ? __lock_acquire+0xb3f/0x1580
[ 1297.484563][T15184]  ? kfree+0x2d/0x340
[ 1297.484716][T15184]  do_sock_setsockopt+0x149/0x3a0
[ 1297.484903][T15184]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1297.485102][T15184]  ? __lock_release+0x103/0x460
[ 1297.485287][T15184]  ? fd_install+0x1d1/0x5a0
[ 1297.485459][T15184]  ? trace_lock_acquire+0x14d/0x1f0
[ 1297.485639][T15184]  ? fdget+0x52/0x1e0
[ 1297.485781][T15184]  __sys_setsockopt+0x104/0x1a0
[ 1297.485999][T15184]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1297.486170][T15184]  ? __sys_socket+0x168/0x1e0
[ 1297.486337][T15184]  ? __pfx___sys_socket+0x10/0x10
[ 1297.486514][T15184]  ? __local_bh_enable+0x80/0x90
[ 1297.486682][T15184]  __x64_sys_setsockopt+0xbd/0x160
[ 1297.486849][T15184]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1297.487058][T15184]  do_syscall_64+0xc1/0x1d0
[ 1297.487230][T15184]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1297.487435][T15184] RIP: 0033:0x7fb4b1f9691e
[ 1297.487610][T15184] 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
[ 1297.488194][T15184] RSP: 002b:00007ffd5c22ec48 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1297.488441][T15184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4b1f9691e
[ 1297.488709][T15184] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1297.488990][T15184] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1297.489260][T15184] R10: 00007ffd5c22ec6c R11: 0000000000000246 R12: 0000000000000000
[ 1297.489560][T15184] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb4b209b000
[ 1297.489874][T15184]  </TASK>
[ 1297.494584][T15184] veth0: entered allmulticast mode
[ 1297.495295][T15184] veth1: entered allmulticast mode
[ 1297.495682][T15184] veth2: entered allmulticast mode
[ 1297.496066][T15184] veth3: entered allmulticast mode
[ 1316.763138][T15184] veth0: left allmulticast mode
[ 1316.763577][T15184] veth1: left allmulticast mode
[ 1316.763876][T15184] veth2: left allmulticast mode
[ 1316.764186][T15184] veth3: left allmulticast mode