[ 1312.960493][ T9896] 
[ 1312.960647][ T9896] =============================
[ 1312.960820][ T9896] WARNING: suspicious RCU usage
[ 1312.960996][ T9896] 6.12.0-rc7-virtme #1 Not tainted
[ 1312.961160][ T9896] -----------------------------
[ 1312.961338][ T9896] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1312.961595][ T9896] 
[ 1312.961595][ T9896] other info that might help us debug this:
[ 1312.961595][ T9896] 
[ 1312.961913][ T9896] 
[ 1312.961913][ T9896] rcu_scheduler_active = 2, debug_locks = 1
[ 1312.962166][ T9896] no locks held by smcrouted/9896.
[ 1312.962343][ T9896] 
[ 1312.962343][ T9896] stack backtrace:
[ 1312.962542][ T9896] CPU: 3 UID: 0 PID: 9896 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1312.962826][ T9896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1312.963036][ T9896] Call Trace:
[ 1312.963166][ T9896]  <TASK>
[ 1312.963262][ T9896]  dump_stack_lvl+0xb0/0xd0
[ 1312.963455][ T9896]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1312.963645][ T9896]  ip6mr_get_table+0x142/0x190
[ 1312.963821][ T9896]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1312.963996][ T9896]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1312.964214][ T9896]  ? __lock_release+0x103/0x460
[ 1312.964383][ T9896]  ? __might_fault+0x11b/0x170
[ 1312.964563][ T9896]  ? trace_lock_acquire+0x14d/0x1f0
[ 1312.964740][ T9896]  ? __might_fault+0xc3/0x170
[ 1312.964910][ T9896]  ? lock_acquire+0x32/0xc0
[ 1312.965081][ T9896]  ? __might_fault+0xc3/0x170
[ 1312.965257][ T9896]  ? __might_fault+0x11b/0x170
[ 1312.965439][ T9896]  do_ipv6_setsockopt+0x705/0x34e0
[ 1312.965632][ T9896]  ? __lock_release+0x10/0x460
[ 1312.965822][ T9896]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1312.965985][ T9896]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1312.966152][ T9896]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1312.966313][ T9896]  ? validate_chain+0x1fe/0xae0
[ 1312.966472][ T9896]  ? is_bpf_text_address+0x67/0x120
[ 1312.966641][ T9896]  ? __pfx_validate_chain+0x10/0x10
[ 1312.966803][ T9896]  ? hlock_class+0x4e/0x130
[ 1312.966965][ T9896]  ? mark_lock+0x38/0x3e0
[ 1312.967091][ T9896]  ? __lock_acquire+0xb3f/0x1580
[ 1312.967258][ T9896]  ? find_held_lock+0x2c/0x110
[ 1312.967427][ T9896]  ? ipv6_setsockopt+0x7f/0xe0
[ 1312.967596][ T9896]  ipv6_setsockopt+0x7f/0xe0
[ 1312.967758][ T9896]  rawv6_setsockopt+0xb7/0x550
[ 1312.967920][ T9896]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1312.968080][ T9896]  ? __lock_acquire+0xb3f/0x1580
[ 1312.968254][ T9896]  ? kfree+0x2d/0x340
[ 1312.968382][ T9896]  do_sock_setsockopt+0x149/0x3a0
[ 1312.968550][ T9896]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1312.968710][ T9896]  ? __lock_release+0x103/0x460
[ 1312.968880][ T9896]  ? fd_install+0x1d1/0x5a0
[ 1312.969047][ T9896]  ? trace_lock_acquire+0x14d/0x1f0
[ 1312.969212][ T9896]  ? fdget+0x52/0x1e0
[ 1312.969338][ T9896]  __sys_setsockopt+0x104/0x1a0
[ 1312.969505][ T9896]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1312.969680][ T9896]  ? __sys_socket+0x168/0x1e0
[ 1312.969846][ T9896]  ? __pfx___sys_socket+0x10/0x10
[ 1312.970006][ T9896]  ? do_user_addr_fault+0x374/0xe30
[ 1312.970174][ T9896]  __x64_sys_setsockopt+0xbd/0x160
[ 1312.970342][ T9896]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1312.970540][ T9896]  do_syscall_64+0xc1/0x1d0
[ 1312.970706][ T9896]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1312.970913][ T9896] RIP: 0033:0x7f0c57c5491e
[ 1312.971086][ T9896] 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
[ 1312.971653][ T9896] RSP: 002b:00007fffe6ad4288 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1312.971899][ T9896] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c57c5491e
[ 1312.972140][ T9896] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1312.972386][ T9896] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1312.972630][ T9896] R10: 00007fffe6ad42ac R11: 0000000000000246 R12: 0000000000000000
[ 1312.972878][ T9896] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0c57d59000
[ 1312.973129][ T9896]  </TASK>
[ 1312.978108][ T9896] veth0: entered allmulticast mode
[ 1312.978696][ T9896] veth1: entered allmulticast mode
[ 1312.979029][ T9896] veth2: entered allmulticast mode
[ 1312.979372][ T9896] veth3: entered allmulticast mode
[ 1312.979695][ T9896] veth4: entered allmulticast mode
[ 1312.980012][ T9896] veth5: entered allmulticast mode
[ 1339.182771][ T9896] veth0: left allmulticast mode
[ 1339.183300][ T9896] veth1: left allmulticast mode
[ 1339.183691][ T9896] veth2: left allmulticast mode
[ 1339.184069][ T9896] veth3: left allmulticast mode
[ 1339.184486][ T9896] veth4: left allmulticast mode
[ 1339.184881][ T9896] veth5: left allmulticast mode