[ 1318.511341][T18114] 
[ 1318.511545][T18114] =============================
[ 1318.511805][T18114] WARNING: suspicious RCU usage
[ 1318.512050][T18114] 6.12.0-rc7-virtme #1 Not tainted
[ 1318.513079][T18114] -----------------------------
[ 1318.513367][T18114] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1318.513763][T18114] 
[ 1318.513763][T18114] other info that might help us debug this:
[ 1318.513763][T18114] 
[ 1318.514269][T18114] 
[ 1318.514269][T18114] rcu_scheduler_active = 2, debug_locks = 1
[ 1318.514642][T18114] no locks held by smcrouted/18114.
[ 1318.514896][T18114] 
[ 1318.514896][T18114] stack backtrace:
[ 1318.515229][T18114] CPU: 3 UID: 0 PID: 18114 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1318.515671][T18114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1318.515976][T18114] Call Trace:
[ 1318.516256][T18114]  <TASK>
[ 1318.516372][T18114]  dump_stack_lvl+0xb0/0xd0
[ 1318.516594][T18114]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1318.516810][T18114]  ip6mr_get_table+0x142/0x190
[ 1318.517012][T18114]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1318.517220][T18114]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1318.517481][T18114]  ? __lock_release+0x103/0x460
[ 1318.517693][T18114]  ? __might_fault+0x11b/0x170
[ 1318.517892][T18114]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.518095][T18114]  ? __might_fault+0xc3/0x170
[ 1318.518296][T18114]  ? lock_acquire+0x32/0xc0
[ 1318.518497][T18114]  ? __might_fault+0xc3/0x170
[ 1318.518693][T18114]  ? __might_fault+0x11b/0x170
[ 1318.518900][T18114]  do_ipv6_setsockopt+0x705/0x34e0
[ 1318.519098][T18114]  ? __lock_release+0x40/0x460
[ 1318.519310][T18114]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1318.519510][T18114]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1318.519713][T18114]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1318.519907][T18114]  ? validate_chain+0x1fe/0xae0
[ 1318.520104][T18114]  ? is_bpf_text_address+0x67/0x120
[ 1318.520319][T18114]  ? __pfx_validate_chain+0x10/0x10
[ 1318.520515][T18114]  ? hlock_class+0x4e/0x130
[ 1318.520712][T18114]  ? mark_lock+0x38/0x3e0
[ 1318.520891][T18114]  ? __lock_acquire+0xb3f/0x1580
[ 1318.521102][T18114]  ? find_held_lock+0x2c/0x110
[ 1318.521318][T18114]  ? ipv6_setsockopt+0x7f/0xe0
[ 1318.521516][T18114]  ipv6_setsockopt+0x7f/0xe0
[ 1318.521717][T18114]  rawv6_setsockopt+0xb7/0x550
[ 1318.521916][T18114]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1318.522115][T18114]  ? __lock_acquire+0xb3f/0x1580
[ 1318.522320][T18114]  ? kfree+0x2d/0x340
[ 1318.522479][T18114]  do_sock_setsockopt+0x149/0x3a0
[ 1318.522691][T18114]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1318.522888][T18114]  ? __lock_release+0x103/0x460
[ 1318.523085][T18114]  ? fd_install+0x1d1/0x5a0
[ 1318.523302][T18114]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.523503][T18114]  ? fdget+0x52/0x1e0
[ 1318.523657][T18114]  __sys_setsockopt+0x104/0x1a0
[ 1318.523859][T18114]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1318.524055][T18114]  ? __sys_socket+0x168/0x1e0
[ 1318.524267][T18114]  ? __pfx___sys_socket+0x10/0x10
[ 1318.524464][T18114]  ? do_user_addr_fault+0x374/0xe30
[ 1318.524668][T18114]  __x64_sys_setsockopt+0xbd/0x160
[ 1318.524862][T18114]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1318.525106][T18114]  do_syscall_64+0xc1/0x1d0
[ 1318.525309][T18114]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1318.525556][T18114] RIP: 0033:0x7f735d89f91e
[ 1318.525765][T18114] 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
[ 1318.526460][T18114] RSP: 002b:00007ffe7c2d0cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1318.526761][T18114] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f735d89f91e
[ 1318.527054][T18114] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1318.527366][T18114] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1318.527660][T18114] R10: 00007ffe7c2d0cec R11: 0000000000000246 R12: 0000000000000000
[ 1318.527957][T18114] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f735d9a4000
[ 1318.528274][T18114]  </TASK>
[ 1318.534225][T18114] veth0: entered allmulticast mode
[ 1318.534808][T18114] veth1: entered allmulticast mode
[ 1318.536938][T18114] veth2: entered allmulticast mode
[ 1318.537311][T18114] veth3: entered allmulticast mode
[ 1318.537631][T18114] veth4: entered allmulticast mode
[ 1318.537949][T18114] veth5: entered allmulticast mode
[ 1344.544298][T18114] veth0: left allmulticast mode
[ 1344.544911][T18114] veth1: left allmulticast mode
[ 1344.545410][T18114] veth2: left allmulticast mode
[ 1344.545810][T18114] veth3: left allmulticast mode
[ 1344.546366][T18114] veth4: left allmulticast mode
[ 1344.546863][T18114] veth5: left allmulticast mode