[ 1299.744402][ T7721] 
[ 1299.744546][ T7721] =============================
[ 1299.744707][ T7721] WARNING: suspicious RCU usage
[ 1299.744880][ T7721] 6.12.0-virtme #1 Not tainted
[ 1299.745036][ T7721] -----------------------------
[ 1299.745199][ T7721] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1299.745433][ T7721] 
[ 1299.745433][ T7721] other info that might help us debug this:
[ 1299.745433][ T7721] 
[ 1299.745738][ T7721] 
[ 1299.745738][ T7721] rcu_scheduler_active = 2, debug_locks = 1
[ 1299.745971][ T7721] no locks held by smcrouted/7721.
[ 1299.746131][ T7721] 
[ 1299.746131][ T7721] stack backtrace:
[ 1299.746338][ T7721] CPU: 0 UID: 0 PID: 7721 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1299.746581][ T7721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1299.746783][ T7721] Call Trace:
[ 1299.746903][ T7721]  <TASK>
[ 1299.746990][ T7721]  dump_stack_lvl+0xb0/0xd0
[ 1299.747157][ T7721]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1299.747320][ T7721]  ip6mr_get_table+0x142/0x190
[ 1299.747479][ T7721]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1299.747645][ T7721]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1299.747874][ T7721]  ? __lock_release+0x103/0x460
[ 1299.748061][ T7721]  ? __might_fault+0x11b/0x170
[ 1299.748225][ T7721]  ? trace_lock_acquire+0x14d/0x1f0
[ 1299.748385][ T7721]  ? __might_fault+0xc3/0x170
[ 1299.748539][ T7721]  ? lock_acquire+0x32/0xc0
[ 1299.748696][ T7721]  ? __might_fault+0xc3/0x170
[ 1299.748867][ T7721]  ? __might_fault+0x11b/0x170
[ 1299.749035][ T7721]  do_ipv6_setsockopt+0x705/0x34e0
[ 1299.749209][ T7721]  ? validate_chain+0x130/0xae0
[ 1299.749371][ T7721]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1299.749530][ T7721]  ? __pfx_validate_chain+0x10/0x10
[ 1299.749699][ T7721]  ? hlock_class+0x4e/0x130
[ 1299.749858][ T7721]  ? mark_lock+0x38/0x3e0
[ 1299.750003][ T7721]  ? __lock_acquire+0xb9a/0x1680
[ 1299.750187][ T7721]  ? find_held_lock+0x2c/0x110
[ 1299.750350][ T7721]  ? __lock_release+0x103/0x460
[ 1299.750531][ T7721]  ? __create_object+0x5e/0xb0
[ 1299.750689][ T7721]  ? __pfx___lock_release+0x10/0x10
[ 1299.750843][ T7721]  ? __pfx_validate_chain+0x10/0x10
[ 1299.751012][ T7721]  ? hlock_class+0x4e/0x130
[ 1299.751168][ T7721]  ? mark_lock+0x38/0x3e0
[ 1299.751306][ T7721]  ? ipv6_setsockopt+0x7f/0xe0
[ 1299.751476][ T7721]  ipv6_setsockopt+0x7f/0xe0
[ 1299.751664][ T7721]  rawv6_setsockopt+0xb7/0x550
[ 1299.751842][ T7721]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1299.752001][ T7721]  ? find_held_lock+0x2c/0x110
[ 1299.752183][ T7721]  ? kfree+0x2d/0x340
[ 1299.752306][ T7721]  ? __lock_release+0x103/0x460
[ 1299.752473][ T7721]  ? fd_install+0x1d1/0x5a0
[ 1299.752638][ T7721]  do_sock_setsockopt+0x149/0x3a0
[ 1299.752813][ T7721]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1299.752984][ T7721]  __sys_setsockopt+0xec/0x160
[ 1299.753156][ T7721]  __x64_sys_setsockopt+0xbd/0x160
[ 1299.753311][ T7721]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1299.753512][ T7721]  do_syscall_64+0xc1/0x1d0
[ 1299.753692][ T7721]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1299.753895][ T7721] RIP: 0033:0x7f05da69791e
[ 1299.754062][ T7721] 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
[ 1299.754609][ T7721] RSP: 002b:00007fff9e1c5d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1299.754875][ T7721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05da69791e
[ 1299.755137][ T7721] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1299.755402][ T7721] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1299.755634][ T7721] R10: 00007fff9e1c5d3c R11: 0000000000000246 R12: 0000000000000000
[ 1299.755871][ T7721] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f05da79c000
[ 1299.756115][ T7721]  </TASK>
[ 1299.760901][ T7721] veth0: entered allmulticast mode
[ 1299.761531][ T7721] veth1: entered allmulticast mode
[ 1299.761900][ T7721] veth2: entered allmulticast mode
[ 1299.762232][ T7721] veth3: entered allmulticast mode
[ 1318.903053][ T7721] veth0: left allmulticast mode
[ 1318.903518][ T7721] veth1: left allmulticast mode
[ 1318.903939][ T7721] veth2: left allmulticast mode
[ 1318.904343][ T7721] veth3: left allmulticast mode