[ 1280.954865][T11485] 
[ 1280.955032][T11485] =============================
[ 1280.955211][T11485] WARNING: suspicious RCU usage
[ 1280.955384][T11485] 6.12.0-virtme #1 Not tainted
[ 1280.955555][T11485] -----------------------------
[ 1280.955767][T11485] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1280.956055][T11485] 
[ 1280.956055][T11485] other info that might help us debug this:
[ 1280.956055][T11485] 
[ 1280.956392][T11485] 
[ 1280.956392][T11485] rcu_scheduler_active = 2, debug_locks = 1
[ 1280.956726][T11485] no locks held by smcrouted/11485.
[ 1280.956904][T11485] 
[ 1280.956904][T11485] stack backtrace:
[ 1280.957117][T11485] CPU: 0 UID: 0 PID: 11485 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1280.957458][T11485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1280.957776][T11485] Call Trace:
[ 1280.957946][T11485]  <TASK>
[ 1280.958089][T11485]  dump_stack_lvl+0xb0/0xd0
[ 1280.958364][T11485]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1280.958621][T11485]  ip6mr_get_table+0x142/0x190
[ 1280.958892][T11485]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1280.959156][T11485]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1280.959483][T11485]  ? __lock_release+0x103/0x460
[ 1280.959743][T11485]  ? __might_fault+0x11b/0x170
[ 1280.960021][T11485]  ? trace_lock_acquire+0x14d/0x1f0
[ 1280.960297][T11485]  ? __might_fault+0xc3/0x170
[ 1280.960553][T11485]  ? lock_acquire+0x32/0xc0
[ 1280.960825][T11485]  ? __might_fault+0xc3/0x170
[ 1280.961095][T11485]  ? __might_fault+0x11b/0x170
[ 1280.961355][T11485]  do_ipv6_setsockopt+0x705/0x34e0
[ 1280.961574][T11485]  ? validate_chain+0x160/0xae0
[ 1280.961796][T11485]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1280.962028][T11485]  ? __pfx_validate_chain+0x10/0x10
[ 1280.962239][T11485]  ? hlock_class+0x4e/0x130
[ 1280.962447][T11485]  ? mark_lock+0x38/0x3e0
[ 1280.962617][T11485]  ? __lock_acquire+0xb9a/0x1680
[ 1280.962849][T11485]  ? find_held_lock+0x2c/0x110
[ 1280.963066][T11485]  ? __lock_release+0x103/0x460
[ 1280.963275][T11485]  ? __create_object+0x5e/0xb0
[ 1280.963487][T11485]  ? __pfx___lock_release+0x10/0x10
[ 1280.963703][T11485]  ? __pfx_validate_chain+0x10/0x10
[ 1280.963914][T11485]  ? hlock_class+0x4e/0x130
[ 1280.964122][T11485]  ? mark_lock+0x38/0x3e0
[ 1280.964291][T11485]  ? ipv6_setsockopt+0x7f/0xe0
[ 1280.964510][T11485]  ipv6_setsockopt+0x7f/0xe0
[ 1280.964730][T11485]  rawv6_setsockopt+0xb7/0x550
[ 1280.964947][T11485]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1280.965153][T11485]  ? find_held_lock+0x2c/0x110
[ 1280.965366][T11485]  ? kfree+0x2d/0x340
[ 1280.965524][T11485]  ? __lock_release+0x103/0x460
[ 1280.965745][T11485]  ? fd_install+0x1d1/0x5a0
[ 1280.965965][T11485]  do_sock_setsockopt+0x149/0x3a0
[ 1280.966181][T11485]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1280.966422][T11485]  __sys_setsockopt+0xec/0x160
[ 1280.966645][T11485]  __x64_sys_setsockopt+0xbd/0x160
[ 1280.966856][T11485]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1280.967113][T11485]  do_syscall_64+0xc1/0x1d0
[ 1280.967336][T11485]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1280.967595][T11485] RIP: 0033:0x7f0d1efe591e
[ 1280.967821][T11485] 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
[ 1280.968548][T11485] RSP: 002b:00007ffccfda52f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1280.968883][T11485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d1efe591e
[ 1280.969192][T11485] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1280.969502][T11485] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1280.969822][T11485] R10: 00007ffccfda531c R11: 0000000000000246 R12: 0000000000000000
[ 1280.970131][T11485] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0d1f0ea000
[ 1280.970459][T11485]  </TASK>
[ 1280.978940][T11485] veth0: entered allmulticast mode
[ 1280.979545][T11485] veth1: entered allmulticast mode
[ 1280.979932][T11485] veth2: entered allmulticast mode
[ 1280.980272][T11485] veth3: entered allmulticast mode
[ 1299.900790][T11485] veth0: left allmulticast mode
[ 1299.901128][T11485] veth1: left allmulticast mode
[ 1299.901386][T11485] veth2: left allmulticast mode
[ 1299.901651][T11485] veth3: left allmulticast mode