[ 1904.653353][T13062] 
[ 1904.653477][T13062] =============================
[ 1904.653728][T13062] WARNING: suspicious RCU usage
[ 1904.653892][T13062] 6.12.0-rc6-virtme #1 Not tainted
[ 1904.654054][T13062] -----------------------------
[ 1904.654209][T13062] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1904.654447][T13062] 
[ 1904.654447][T13062] other info that might help us debug this:
[ 1904.654447][T13062] 
[ 1904.654778][T13062] 
[ 1904.654778][T13062] rcu_scheduler_active = 2, debug_locks = 1
[ 1904.654999][T13062] no locks held by smcrouted/13062.
[ 1904.655160][T13062] 
[ 1904.655160][T13062] stack backtrace:
[ 1904.655372][T13062] CPU: 1 UID: 0 PID: 13062 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1904.655666][T13062] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1904.656039][T13062] Call Trace:
[ 1904.656164][T13062]  <TASK>
[ 1904.656257][T13062]  dump_stack_lvl+0xb0/0xd0
[ 1904.656430][T13062]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1904.656604][T13062]  ip6mr_get_table+0x142/0x190
[ 1904.656765][T13062]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1904.656926][T13062]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1904.657132][T13062]  ? __lock_release+0x103/0x460
[ 1904.657289][T13062]  ? __might_fault+0x11b/0x170
[ 1904.657460][T13062]  ? trace_lock_acquire+0x14d/0x1f0
[ 1904.657630][T13062]  ? __might_fault+0xc3/0x170
[ 1904.657788][T13062]  ? lock_acquire+0x32/0xc0
[ 1904.657972][T13062]  ? __might_fault+0xc3/0x170
[ 1904.658129][T13062]  ? __might_fault+0x11b/0x170
[ 1904.658290][T13062]  do_ipv6_setsockopt+0x705/0x34e0
[ 1904.658444][T13062]  ? __lock_release+0xe0/0x460
[ 1904.658614][T13062]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1904.658769][T13062]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1904.658926][T13062]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1904.659113][T13062]  ? validate_chain+0x1fe/0xae0
[ 1904.659274][T13062]  ? is_bpf_text_address+0x67/0x120
[ 1904.659441][T13062]  ? __pfx_validate_chain+0x10/0x10
[ 1904.659628][T13062]  ? hlock_class+0x4e/0x130
[ 1904.659881][T13062]  ? mark_lock+0x38/0x3e0
[ 1904.660086][T13062]  ? __lock_acquire+0xb3f/0x1580
[ 1904.660267][T13062]  ? find_held_lock+0x2c/0x110
[ 1904.660430][T13062]  ? ipv6_setsockopt+0x7f/0xe0
[ 1904.660598][T13062]  ipv6_setsockopt+0x7f/0xe0
[ 1904.660752][T13062]  rawv6_setsockopt+0xb7/0x550
[ 1904.660907][T13062]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1904.661067][T13062]  ? __lock_acquire+0xb3f/0x1580
[ 1904.661223][T13062]  ? kfree+0x2d/0x340
[ 1904.661350][T13062]  do_sock_setsockopt+0x149/0x3a0
[ 1904.661507][T13062]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1904.661674][T13062]  ? __lock_release+0x103/0x460
[ 1904.661828][T13062]  ? fd_install+0x1d1/0x5a0
[ 1904.661984][T13062]  ? trace_lock_acquire+0x14d/0x1f0
[ 1904.662137][T13062]  ? fdget+0x52/0x1e0
[ 1904.662260][T13062]  __sys_setsockopt+0x104/0x1a0
[ 1904.662423][T13062]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1904.662594][T13062]  ? __sys_socket+0x168/0x1e0
[ 1904.662750][T13062]  ? __pfx___sys_socket+0x10/0x10
[ 1904.662910][T13062]  __x64_sys_setsockopt+0xbd/0x160
[ 1904.663063][T13062]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1904.663252][T13062]  do_syscall_64+0xc1/0x1d0
[ 1904.663406][T13062]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1904.663606][T13062] RIP: 0033:0x7f35ee38b91e
[ 1904.663772][T13062] 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
[ 1904.664326][T13062] RSP: 002b:00007ffe12c94f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1904.664626][T13062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35ee38b91e
[ 1904.664858][T13062] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1904.665093][T13062] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1904.665326][T13062] R10: 00007ffe12c94f7c R11: 0000000000000246 R12: 0000000000000000
[ 1904.665568][T13062] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f35ee490000
[ 1904.665813][T13062]  </TASK>
[ 1904.672496][T13062] veth0: entered allmulticast mode
[ 1904.673040][T13062] veth1: entered allmulticast mode
[ 1904.675448][T13062] veth2: entered allmulticast mode
[ 1904.675780][T13062] veth3: entered allmulticast mode
[ 1933.974840][T13062] veth0: left allmulticast mode
[ 1933.975269][T13062] veth1: left allmulticast mode
[ 1933.975503][T13062] veth2: left allmulticast mode
[ 1933.975732][T13062] veth3: left allmulticast mode