[ 1315.001206][T17676] 
[ 1315.001337][T17676] =============================
[ 1315.001517][T17676] WARNING: suspicious RCU usage
[ 1315.001675][T17676] 6.12.0-rc7-virtme #1 Not tainted
[ 1315.001836][T17676] -----------------------------
[ 1315.001986][T17676] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1315.002231][T17676] 
[ 1315.002231][T17676] other info that might help us debug this:
[ 1315.002231][T17676] 
[ 1315.002541][T17676] 
[ 1315.002541][T17676] rcu_scheduler_active = 2, debug_locks = 1
[ 1315.002777][T17676] no locks held by smcrouted/17676.
[ 1315.002940][T17676] 
[ 1315.002940][T17676] stack backtrace:
[ 1315.003130][T17676] CPU: 3 UID: 0 PID: 17676 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1315.003400][T17676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1315.003594][T17676] Call Trace:
[ 1315.003713][T17676]  <TASK>
[ 1315.003798][T17676]  dump_stack_lvl+0xb0/0xd0
[ 1315.003965][T17676]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1315.004126][T17676]  ip6mr_get_table+0x142/0x190
[ 1315.004286][T17676]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1315.004439][T17676]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1315.004640][T17676]  ? __lock_release+0x103/0x460
[ 1315.004795][T17676]  ? __might_fault+0x11b/0x170
[ 1315.004950][T17676]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.005114][T17676]  ? __might_fault+0xc3/0x170
[ 1315.005266][T17676]  ? lock_acquire+0x32/0xc0
[ 1315.005421][T17676]  ? __might_fault+0xc3/0x170
[ 1315.005581][T17676]  ? __might_fault+0x11b/0x170
[ 1315.005761][T17676]  do_ipv6_setsockopt+0x705/0x34e0
[ 1315.005921][T17676]  ? __lock_release+0xf0/0x460
[ 1315.006079][T17676]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1315.006231][T17676]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1315.006391][T17676]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1315.006550][T17676]  ? validate_chain+0x1fe/0xae0
[ 1315.006706][T17676]  ? is_bpf_text_address+0x67/0x120
[ 1315.006874][T17676]  ? __pfx_validate_chain+0x10/0x10
[ 1315.007028][T17676]  ? hlock_class+0x4e/0x130
[ 1315.007183][T17676]  ? mark_lock+0x38/0x3e0
[ 1315.007304][T17676]  ? __lock_acquire+0xb3f/0x1580
[ 1315.007469][T17676]  ? find_held_lock+0x2c/0x110
[ 1315.007633][T17676]  ? ipv6_setsockopt+0x7f/0xe0
[ 1315.007789][T17676]  ipv6_setsockopt+0x7f/0xe0
[ 1315.007944][T17676]  rawv6_setsockopt+0xb7/0x550
[ 1315.008104][T17676]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1315.008271][T17676]  ? __lock_acquire+0xb3f/0x1580
[ 1315.008431][T17676]  ? kfree+0x2d/0x340
[ 1315.008555][T17676]  do_sock_setsockopt+0x149/0x3a0
[ 1315.008712][T17676]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1315.008867][T17676]  ? __lock_release+0x103/0x460
[ 1315.009025][T17676]  ? fd_install+0x1d1/0x5a0
[ 1315.009182][T17676]  ? trace_lock_acquire+0x14d/0x1f0
[ 1315.009339][T17676]  ? fdget+0x52/0x1e0
[ 1315.009465][T17676]  __sys_setsockopt+0x104/0x1a0
[ 1315.009625][T17676]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1315.009780][T17676]  ? __sys_socket+0x168/0x1e0
[ 1315.009936][T17676]  ? __pfx___sys_socket+0x10/0x10
[ 1315.010088][T17676]  ? do_user_addr_fault+0x374/0xe30
[ 1315.010248][T17676]  __x64_sys_setsockopt+0xbd/0x160
[ 1315.010402][T17676]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1315.010593][T17676]  do_syscall_64+0xc1/0x1d0
[ 1315.010755][T17676]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1315.010952][T17676] RIP: 0033:0x7fb8bcfac91e
[ 1315.011117][T17676] 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
[ 1315.011658][T17676] RSP: 002b:00007ffdb8f00f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1315.011897][T17676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8bcfac91e
[ 1315.012127][T17676] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1315.012368][T17676] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1315.012598][T17676] R10: 00007ffdb8f00f8c R11: 0000000000000246 R12: 0000000000000000
[ 1315.012829][T17676] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb8bd0b1000
[ 1315.013083][T17676]  </TASK>
[ 1315.015634][T17676] veth0: entered allmulticast mode
[ 1315.016115][T17676] veth1: entered allmulticast mode
[ 1315.016453][T17676] veth2: entered allmulticast mode
[ 1315.016769][T17676] veth3: entered allmulticast mode
[ 1315.017102][T17676] veth4: entered allmulticast mode
[ 1315.017445][T17676] veth5: entered allmulticast mode
[ 1339.511502][T17676] veth0: left allmulticast mode
[ 1339.511798][T17676] veth1: left allmulticast mode
[ 1339.512034][T17676] veth2: left allmulticast mode
[ 1339.512266][T17676] veth3: left allmulticast mode
[ 1339.512518][T17676] veth4: left allmulticast mode
[ 1339.512737][T17676] veth5: left allmulticast mode