[ 1350.155532][T18277] 
[ 1350.155727][T18277] =============================
[ 1350.155931][T18277] WARNING: suspicious RCU usage
[ 1350.156131][T18277] 6.12.0-rc6-virtme #1 Not tainted
[ 1350.157006][T18277] -----------------------------
[ 1350.157229][T18277] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1350.157510][T18277] 
[ 1350.157510][T18277] other info that might help us debug this:
[ 1350.157510][T18277] 
[ 1350.157862][T18277] 
[ 1350.157862][T18277] rcu_scheduler_active = 2, debug_locks = 1
[ 1350.158132][T18277] no locks held by smcrouted/18277.
[ 1350.158413][T18277] 
[ 1350.158413][T18277] stack backtrace:
[ 1350.158649][T18277] CPU: 2 UID: 0 PID: 18277 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1350.158957][T18277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1350.159183][T18277] Call Trace:
[ 1350.159327][T18277]  <TASK>
[ 1350.159429][T18277]  dump_stack_lvl+0xb0/0xd0
[ 1350.159614][T18277]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1350.159795][T18277]  ip6mr_get_table+0x142/0x190
[ 1350.159976][T18277]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1350.160162][T18277]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1350.160391][T18277]  ? __lock_release+0x103/0x460
[ 1350.160570][T18277]  ? __might_fault+0x11b/0x170
[ 1350.160748][T18277]  ? trace_lock_acquire+0x14d/0x1f0
[ 1350.160932][T18277]  ? __might_fault+0xc3/0x170
[ 1350.161102][T18277]  ? lock_acquire+0x32/0xc0
[ 1350.161280][T18277]  ? __might_fault+0xc3/0x170
[ 1350.161467][T18277]  ? __might_fault+0x11b/0x170
[ 1350.161672][T18277]  do_ipv6_setsockopt+0x705/0x34e0
[ 1350.161852][T18277]  ? __lock_release+0xe0/0x460
[ 1350.162035][T18277]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1350.162217][T18277]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1350.162404][T18277]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1350.162584][T18277]  ? validate_chain+0x1fe/0xae0
[ 1350.162760][T18277]  ? is_bpf_text_address+0x67/0x120
[ 1350.162947][T18277]  ? __pfx_validate_chain+0x10/0x10
[ 1350.163138][T18277]  ? hlock_class+0x4e/0x130
[ 1350.163322][T18277]  ? mark_lock+0x38/0x3e0
[ 1350.163465][T18277]  ? __lock_acquire+0xb3f/0x1580
[ 1350.163660][T18277]  ? find_held_lock+0x2c/0x110
[ 1350.163850][T18277]  ? ipv6_setsockopt+0x7f/0xe0
[ 1350.164029][T18277]  ipv6_setsockopt+0x7f/0xe0
[ 1350.164213][T18277]  rawv6_setsockopt+0xb7/0x550
[ 1350.164395][T18277]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1350.164567][T18277]  ? __lock_acquire+0xb3f/0x1580
[ 1350.164754][T18277]  ? kfree+0x2d/0x340
[ 1350.164899][T18277]  do_sock_setsockopt+0x149/0x3a0
[ 1350.165078][T18277]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1350.165264][T18277]  ? __lock_release+0x103/0x460
[ 1350.165448][T18277]  ? fd_install+0x1d1/0x5a0
[ 1350.165633][T18277]  ? trace_lock_acquire+0x14d/0x1f0
[ 1350.165813][T18277]  ? fdget+0x52/0x1e0
[ 1350.165955][T18277]  __sys_setsockopt+0x104/0x1a0
[ 1350.166137][T18277]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1350.166319][T18277]  ? __sys_socket+0x168/0x1e0
[ 1350.166494][T18277]  ? __pfx___sys_socket+0x10/0x10
[ 1350.166678][T18277]  ? do_user_addr_fault+0x374/0xe30
[ 1350.166856][T18277]  __x64_sys_setsockopt+0xbd/0x160
[ 1350.167033][T18277]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1350.167258][T18277]  do_syscall_64+0xc1/0x1d0
[ 1350.167441][T18277]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1350.167667][T18277] RIP: 0033:0x7fe25cf6391e
[ 1350.167861][T18277] 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
[ 1350.168493][T18277] RSP: 002b:00007ffff606ffa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1350.168758][T18277] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe25cf6391e
[ 1350.169031][T18277] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1350.169294][T18277] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1350.169562][T18277] R10: 00007ffff606ffcc R11: 0000000000000246 R12: 0000000000000000
[ 1350.169823][T18277] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe25d068000
[ 1350.170109][T18277]  </TASK>
[ 1350.196673][T18277] veth0: entered allmulticast mode
[ 1350.197431][T18277] veth1: entered allmulticast mode
[ 1350.197820][T18277] veth2: entered allmulticast mode
[ 1350.198182][T18277] veth3: entered allmulticast mode
[ 1350.198554][T18277] veth4: entered allmulticast mode
[ 1350.198917][T18277] veth5: entered allmulticast mode
[ 1376.785922][T18277] veth0: left allmulticast mode
[ 1376.786255][T18277] veth1: left allmulticast mode
[ 1376.786501][T18277] veth2: left allmulticast mode
[ 1376.786740][T18277] veth3: left allmulticast mode
[ 1376.786979][T18277] veth4: left allmulticast mode
[ 1376.787239][T18277] veth5: left allmulticast mode