[ 1312.584326][T10441] 
[ 1312.584502][T10441] =============================
[ 1312.584686][T10441] WARNING: suspicious RCU usage
[ 1312.585364][T10441] 6.12.0-rc7-virtme #1 Not tainted
[ 1312.585632][T10441] -----------------------------
[ 1312.585819][T10441] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1312.586070][T10441] 
[ 1312.586070][T10441] other info that might help us debug this:
[ 1312.586070][T10441] 
[ 1312.586389][T10441] 
[ 1312.586389][T10441] rcu_scheduler_active = 2, debug_locks = 1
[ 1312.586636][T10441] no locks held by smcrouted/10441.
[ 1312.586819][T10441] 
[ 1312.586819][T10441] stack backtrace:
[ 1312.587029][T10441] CPU: 2 UID: 0 PID: 10441 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1312.587306][T10441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1312.587512][T10441] Call Trace:
[ 1312.587636][T10441]  <TASK>
[ 1312.587723][T10441]  dump_stack_lvl+0xb0/0xd0
[ 1312.587891][T10441]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1312.588055][T10441]  ip6mr_get_table+0x142/0x190
[ 1312.588215][T10441]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1312.588372][T10441]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1312.588577][T10441]  ? __lock_release+0x103/0x460
[ 1312.588735][T10441]  ? __might_fault+0x11b/0x170
[ 1312.588893][T10441]  ? trace_lock_acquire+0x14d/0x1f0
[ 1312.589075][T10441]  ? __might_fault+0xc3/0x170
[ 1312.589229][T10441]  ? lock_acquire+0x32/0xc0
[ 1312.589387][T10441]  ? __might_fault+0xc3/0x170
[ 1312.589554][T10441]  ? __might_fault+0x11b/0x170
[ 1312.589720][T10441]  do_ipv6_setsockopt+0x705/0x34e0
[ 1312.589886][T10441]  ? __lock_release+0x40/0x460
[ 1312.590043][T10441]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1312.590197][T10441]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1312.590354][T10441]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1312.590510][T10441]  ? validate_chain+0x1fe/0xae0
[ 1312.590664][T10441]  ? is_bpf_text_address+0x67/0x120
[ 1312.590828][T10441]  ? __pfx_validate_chain+0x10/0x10
[ 1312.590995][T10441]  ? hlock_class+0x4e/0x130
[ 1312.591150][T10441]  ? mark_lock+0x38/0x3e0
[ 1312.591271][T10441]  ? __lock_acquire+0xb3f/0x1580
[ 1312.591438][T10441]  ? find_held_lock+0x2c/0x110
[ 1312.591601][T10441]  ? ipv6_setsockopt+0x7f/0xe0
[ 1312.591760][T10441]  ipv6_setsockopt+0x7f/0xe0
[ 1312.591918][T10441]  rawv6_setsockopt+0xb7/0x550
[ 1312.592077][T10441]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1312.592230][T10441]  ? __lock_acquire+0xb3f/0x1580
[ 1312.592391][T10441]  ? kfree+0x2d/0x340
[ 1312.592514][T10441]  do_sock_setsockopt+0x149/0x3a0
[ 1312.592672][T10441]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1312.592828][T10441]  ? __lock_release+0x103/0x460
[ 1312.592982][T10441]  ? fd_install+0x1d1/0x5a0
[ 1312.593144][T10441]  ? trace_lock_acquire+0x14d/0x1f0
[ 1312.593299][T10441]  ? fdget+0x52/0x1e0
[ 1312.593422][T10441]  __sys_setsockopt+0x104/0x1a0
[ 1312.593585][T10441]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1312.593744][T10441]  ? __sys_socket+0x168/0x1e0
[ 1312.593901][T10441]  ? __pfx___sys_socket+0x10/0x10
[ 1312.594058][T10441]  ? do_user_addr_fault+0x374/0xe30
[ 1312.594220][T10441]  __x64_sys_setsockopt+0xbd/0x160
[ 1312.594373][T10441]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1312.594565][T10441]  do_syscall_64+0xc1/0x1d0
[ 1312.594721][T10441]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1312.594917][T10441] RIP: 0033:0x7f7f7db8e91e
[ 1312.595094][T10441] 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
[ 1312.595628][T10441] RSP: 002b:00007ffebd10b2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1312.595864][T10441] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7f7db8e91e
[ 1312.596102][T10441] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1312.596346][T10441] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1312.596576][T10441] R10: 00007ffebd10b2dc R11: 0000000000000246 R12: 0000000000000000
[ 1312.596813][T10441] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7f7dc93000
[ 1312.597056][T10441]  </TASK>
[ 1312.601126][T10441] veth0: entered allmulticast mode
[ 1312.601736][T10441] veth1: entered allmulticast mode
[ 1312.602086][T10441] veth2: entered allmulticast mode
[ 1312.602412][T10441] veth3: entered allmulticast mode
[ 1312.602756][T10441] veth4: entered allmulticast mode
[ 1312.603067][T10441] veth5: entered allmulticast mode
[ 1337.862495][T10441] veth0: left allmulticast mode
[ 1337.862818][T10441] veth1: left allmulticast mode
[ 1337.863052][T10441] veth2: left allmulticast mode
[ 1337.863289][T10441] veth3: left allmulticast mode
[ 1337.863517][T10441] veth4: left allmulticast mode
[ 1337.863764][T10441] veth5: left allmulticast mode