[ 1321.651382][T14586] 
[ 1321.651582][T14586] =============================
[ 1321.651776][T14586] WARNING: suspicious RCU usage
[ 1321.651963][T14586] 6.12.0-rc7-virtme #1 Not tainted
[ 1321.652157][T14586] -----------------------------
[ 1321.652427][T14586] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1321.652693][T14586] 
[ 1321.652693][T14586] other info that might help us debug this:
[ 1321.652693][T14586] 
[ 1321.653044][T14586] 
[ 1321.653044][T14586] rcu_scheduler_active = 2, debug_locks = 1
[ 1321.653315][T14586] no locks held by smcrouted/14586.
[ 1321.653512][T14586] 
[ 1321.653512][T14586] stack backtrace:
[ 1321.653751][T14586] CPU: 2 UID: 0 PID: 14586 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1321.654029][T14586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1321.654232][T14586] Call Trace:
[ 1321.654358][T14586]  <TASK>
[ 1321.654445][T14586]  dump_stack_lvl+0xb0/0xd0
[ 1321.654608][T14586]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1321.654768][T14586]  ip6mr_get_table+0x142/0x190
[ 1321.654929][T14586]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1321.655087][T14586]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1321.655284][T14586]  ? __lock_release+0x103/0x460
[ 1321.655439][T14586]  ? __might_fault+0x11b/0x170
[ 1321.655602][T14586]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.655769][T14586]  ? __might_fault+0xc3/0x170
[ 1321.655927][T14586]  ? lock_acquire+0x32/0xc0
[ 1321.656078][T14586]  ? __might_fault+0xc3/0x170
[ 1321.656249][T14586]  ? __might_fault+0x11b/0x170
[ 1321.656414][T14586]  do_ipv6_setsockopt+0x705/0x34e0
[ 1321.656573][T14586]  ? __lock_release+0x40/0x460
[ 1321.656729][T14586]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1321.656885][T14586]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1321.657044][T14586]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1321.657211][T14586]  ? validate_chain+0x1fe/0xae0
[ 1321.657367][T14586]  ? is_bpf_text_address+0x67/0x120
[ 1321.657532][T14586]  ? __pfx_validate_chain+0x10/0x10
[ 1321.657684][T14586]  ? hlock_class+0x4e/0x130
[ 1321.657840][T14586]  ? mark_lock+0x38/0x3e0
[ 1321.657963][T14586]  ? __lock_acquire+0xb3f/0x1580
[ 1321.658129][T14586]  ? find_held_lock+0x2c/0x110
[ 1321.658295][T14586]  ? ipv6_setsockopt+0x7f/0xe0
[ 1321.658459][T14586]  ipv6_setsockopt+0x7f/0xe0
[ 1321.658616][T14586]  rawv6_setsockopt+0xb7/0x550
[ 1321.658774][T14586]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1321.658926][T14586]  ? __lock_acquire+0xb3f/0x1580
[ 1321.659083][T14586]  ? kfree+0x2d/0x340
[ 1321.659205][T14586]  do_sock_setsockopt+0x149/0x3a0
[ 1321.659362][T14586]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1321.659520][T14586]  ? __lock_release+0x103/0x460
[ 1321.659677][T14586]  ? fd_install+0x1d1/0x5a0
[ 1321.659841][T14586]  ? trace_lock_acquire+0x14d/0x1f0
[ 1321.659994][T14586]  ? fdget+0x52/0x1e0
[ 1321.660117][T14586]  __sys_setsockopt+0x104/0x1a0
[ 1321.660278][T14586]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1321.660432][T14586]  ? __sys_socket+0x168/0x1e0
[ 1321.660589][T14586]  ? __pfx___sys_socket+0x10/0x10
[ 1321.660746][T14586]  ? do_user_addr_fault+0x374/0xe30
[ 1321.660906][T14586]  __x64_sys_setsockopt+0xbd/0x160
[ 1321.661066][T14586]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1321.661258][T14586]  do_syscall_64+0xc1/0x1d0
[ 1321.661420][T14586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1321.661616][T14586] RIP: 0033:0x7fc47c84a91e
[ 1321.661783][T14586] 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
[ 1321.662326][T14586] RSP: 002b:00007ffed99dccd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1321.662563][T14586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc47c84a91e
[ 1321.662798][T14586] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1321.663033][T14586] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1321.663268][T14586] R10: 00007ffed99dccfc R11: 0000000000000246 R12: 0000000000000000
[ 1321.663508][T14586] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc47c94f000
[ 1321.663754][T14586]  </TASK>
[ 1321.668922][T14586] veth0: entered allmulticast mode
[ 1321.670611][T14586] veth1: entered allmulticast mode
[ 1321.686359][T14586] veth2: entered allmulticast mode
[ 1321.686785][T14586] veth3: entered allmulticast mode
[ 1321.687131][T14586] veth4: entered allmulticast mode
[ 1321.687495][T14586] veth5: entered allmulticast mode
[ 1346.781982][T14586] veth0: left allmulticast mode
[ 1346.782539][T14586] veth1: left allmulticast mode
[ 1346.782925][T14586] veth2: left allmulticast mode
[ 1346.783330][T14586] veth3: left allmulticast mode
[ 1346.783750][T14586] veth4: left allmulticast mode
[ 1346.784154][T14586] veth5: left allmulticast mode