[ 1281.767226][T10114] 
[ 1281.767379][T10114] =============================
[ 1281.767584][T10114] WARNING: suspicious RCU usage
[ 1281.767754][T10114] 6.12.0-rc7-virtme #1 Not tainted
[ 1281.767941][T10114] -----------------------------
[ 1281.768112][T10114] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1281.768390][T10114] 
[ 1281.768390][T10114] other info that might help us debug this:
[ 1281.768390][T10114] 
[ 1281.768722][T10114] 
[ 1281.768722][T10114] rcu_scheduler_active = 2, debug_locks = 1
[ 1281.768973][T10114] no locks held by smcrouted/10114.
[ 1281.769198][T10114] 
[ 1281.769198][T10114] stack backtrace:
[ 1281.769407][T10114] CPU: 0 UID: 0 PID: 10114 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1281.769696][T10114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1281.769900][T10114] Call Trace:
[ 1281.770032][T10114]  <TASK>
[ 1281.770123][T10114]  dump_stack_lvl+0xb0/0xd0
[ 1281.770333][T10114]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1281.770514][T10114]  ip6mr_get_table+0x142/0x190
[ 1281.770686][T10114]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1281.770859][T10114]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1281.771067][T10114]  ? __lock_release+0x103/0x460
[ 1281.771241][T10114]  ? __might_fault+0x11b/0x170
[ 1281.771421][T10114]  ? trace_lock_acquire+0x14d/0x1f0
[ 1281.771604][T10114]  ? __might_fault+0xc3/0x170
[ 1281.771797][T10114]  ? lock_acquire+0x32/0xc0
[ 1281.771972][T10114]  ? __might_fault+0xc3/0x170
[ 1281.772162][T10114]  ? __might_fault+0x11b/0x170
[ 1281.772341][T10114]  do_ipv6_setsockopt+0x705/0x34e0
[ 1281.772524][T10114]  ? __lock_release+0x40/0x460
[ 1281.772695][T10114]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1281.772863][T10114]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1281.773047][T10114]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1281.773217][T10114]  ? validate_chain+0x1fe/0xae0
[ 1281.773402][T10114]  ? is_bpf_text_address+0x67/0x120
[ 1281.773578][T10114]  ? __pfx_validate_chain+0x10/0x10
[ 1281.773744][T10114]  ? hlock_class+0x4e/0x130
[ 1281.773927][T10114]  ? mark_lock+0x38/0x3e0
[ 1281.774061][T10114]  ? __lock_acquire+0xb3f/0x1580
[ 1281.774242][T10114]  ? find_held_lock+0x2c/0x110
[ 1281.774435][T10114]  ? ipv6_setsockopt+0x7f/0xe0
[ 1281.774613][T10114]  ipv6_setsockopt+0x7f/0xe0
[ 1281.774786][T10114]  rawv6_setsockopt+0xb7/0x550
[ 1281.774972][T10114]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1281.775143][T10114]  ? __lock_acquire+0xb3f/0x1580
[ 1281.775314][T10114]  ? kfree+0x2d/0x340
[ 1281.775458][T10114]  do_sock_setsockopt+0x149/0x3a0
[ 1281.775631][T10114]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1281.775799][T10114]  ? __lock_release+0x103/0x460
[ 1281.775965][T10114]  ? fd_install+0x1d1/0x5a0
[ 1281.776143][T10114]  ? trace_lock_acquire+0x14d/0x1f0
[ 1281.776314][T10114]  ? fdget+0x52/0x1e0
[ 1281.776445][T10114]  __sys_setsockopt+0x104/0x1a0
[ 1281.776620][T10114]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1281.776804][T10114]  ? __sys_socket+0x168/0x1e0
[ 1281.776974][T10114]  ? __pfx___sys_socket+0x10/0x10
[ 1281.777142][T10114]  ? do_user_addr_fault+0x374/0xe30
[ 1281.777314][T10114]  __x64_sys_setsockopt+0xbd/0x160
[ 1281.777482][T10114]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1281.777696][T10114]  do_syscall_64+0xc1/0x1d0
[ 1281.777866][T10114]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1281.778092][T10114] RIP: 0033:0x7f7e2bc2c91e
[ 1281.778273][T10114] 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
[ 1281.778910][T10114] RSP: 002b:00007ffd738b1d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1281.779153][T10114] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e2bc2c91e
[ 1281.779388][T10114] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1281.779622][T10114] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1281.779856][T10114] R10: 00007ffd738b1d8c R11: 0000000000000246 R12: 0000000000000000
[ 1281.780105][T10114] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7e2bd31000
[ 1281.780357][T10114]  </TASK>
[ 1281.784298][T10114] veth0: entered allmulticast mode
[ 1281.786249][T10114] veth1: entered allmulticast mode
[ 1281.786598][T10114] veth2: entered allmulticast mode
[ 1281.786930][T10114] veth3: entered allmulticast mode
[ 1300.448652][T10114] veth0: left allmulticast mode
[ 1300.449225][T10114] veth1: left allmulticast mode
[ 1300.449762][T10114] veth2: left allmulticast mode
[ 1300.450167][T10114] veth3: left allmulticast mode