[ 1297.695850][T10666] 
[ 1297.695978][T10666] =============================
[ 1297.696139][T10666] WARNING: suspicious RCU usage
[ 1297.696301][T10666] 6.12.0-rc7-virtme #1 Not tainted
[ 1297.696540][T10666] -----------------------------
[ 1297.696698][T10666] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1297.696953][T10666] 
[ 1297.696953][T10666] other info that might help us debug this:
[ 1297.696953][T10666] 
[ 1297.697269][T10666] 
[ 1297.697269][T10666] rcu_scheduler_active = 2, debug_locks = 1
[ 1297.697597][T10666] no locks held by smcrouted/10666.
[ 1297.697773][T10666] 
[ 1297.697773][T10666] stack backtrace:
[ 1297.697972][T10666] CPU: 1 UID: 0 PID: 10666 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1297.698247][T10666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1297.698453][T10666] Call Trace:
[ 1297.698575][T10666]  <TASK>
[ 1297.698661][T10666]  dump_stack_lvl+0xb0/0xd0
[ 1297.698841][T10666]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1297.699005][T10666]  ip6mr_get_table+0x142/0x190
[ 1297.699164][T10666]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1297.699329][T10666]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1297.699538][T10666]  ? __lock_release+0x103/0x460
[ 1297.699698][T10666]  ? __might_fault+0x11b/0x170
[ 1297.699871][T10666]  ? trace_lock_acquire+0x14d/0x1f0
[ 1297.700035][T10666]  ? __might_fault+0xc3/0x170
[ 1297.700188][T10666]  ? lock_acquire+0x32/0xc0
[ 1297.700349][T10666]  ? __might_fault+0xc3/0x170
[ 1297.700506][T10666]  ? __might_fault+0x11b/0x170
[ 1297.700668][T10666]  do_ipv6_setsockopt+0x705/0x34e0
[ 1297.700844][T10666]  ? __lock_release+0x10/0x460
[ 1297.701020][T10666]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1297.701179][T10666]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1297.701344][T10666]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1297.701504][T10666]  ? validate_chain+0x1fe/0xae0
[ 1297.701662][T10666]  ? is_bpf_text_address+0x67/0x120
[ 1297.701842][T10666]  ? __pfx_validate_chain+0x10/0x10
[ 1297.702004][T10666]  ? hlock_class+0x4e/0x130
[ 1297.702161][T10666]  ? mark_lock+0x38/0x3e0
[ 1297.702291][T10666]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1297.702449][T10666]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1297.702603][T10666]  ? validate_chain+0x1fe/0xae0
[ 1297.702773][T10666]  ? __pfx_validate_chain+0x10/0x10
[ 1297.702930][T10666]  ? hlock_class+0x4e/0x130
[ 1297.703090][T10666]  ? ipv6_setsockopt+0x7f/0xe0
[ 1297.703251][T10666]  ipv6_setsockopt+0x7f/0xe0
[ 1297.703410][T10666]  rawv6_setsockopt+0xb7/0x550
[ 1297.703568][T10666]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1297.703725][T10666]  ? kfree+0x2d/0x340
[ 1297.703858][T10666]  do_sock_setsockopt+0x149/0x3a0
[ 1297.704014][T10666]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1297.704172][T10666]  ? __pfx___lock_release+0x10/0x10
[ 1297.704328][T10666]  ? __might_fault+0xc3/0x170
[ 1297.704501][T10666]  ? __might_fault+0xc3/0x170
[ 1297.704654][T10666]  ? lock_acquire+0x32/0xc0
[ 1297.704832][T10666]  ? fdget+0x52/0x1e0
[ 1297.704964][T10666]  __sys_setsockopt+0x104/0x1a0
[ 1297.705126][T10666]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1297.705287][T10666]  ? __pfx___sys_socket+0x10/0x10
[ 1297.705451][T10666]  __x64_sys_setsockopt+0xbd/0x160
[ 1297.705609][T10666]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1297.705820][T10666]  do_syscall_64+0xc1/0x1d0
[ 1297.705979][T10666]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1297.706176][T10666] RIP: 0033:0x7fd5f020591e
[ 1297.706348][T10666] 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
[ 1297.706976][T10666] RSP: 002b:00007ffea96126d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1297.707308][T10666] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5f020591e
[ 1297.707540][T10666] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1297.707785][T10666] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1297.708019][T10666] R10: 00007ffea96126fc R11: 0000000000000246 R12: 0000000000000000
[ 1297.708251][T10666] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd5f030a000
[ 1297.708513][T10666]  </TASK>
[ 1297.712758][T10666] veth0: entered allmulticast mode
[ 1297.713610][T10666] veth1: entered allmulticast mode
[ 1297.714156][T10666] veth2: entered allmulticast mode
[ 1297.714711][T10666] veth3: entered allmulticast mode
[ 1316.437315][T10666] veth0: left allmulticast mode
[ 1316.439555][T10666] veth1: left allmulticast mode
[ 1316.441512][T10666] veth2: left allmulticast mode
[ 1316.442553][T10666] veth3: left allmulticast mode