[ 1716.520373][T13049] 
[ 1716.520539][T13049] =============================
[ 1716.520742][T13049] WARNING: suspicious RCU usage
[ 1716.520908][T13049] 6.12.0-rc6-virtme #1 Not tainted
[ 1716.521080][T13049] -----------------------------
[ 1716.521245][T13049] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1716.521501][T13049] 
[ 1716.521501][T13049] other info that might help us debug this:
[ 1716.521501][T13049] 
[ 1716.521816][T13049] 
[ 1716.521816][T13049] rcu_scheduler_active = 2, debug_locks = 1
[ 1716.523369][T13049] no locks held by smcrouted/13049.
[ 1716.523641][T13049] 
[ 1716.523641][T13049] stack backtrace:
[ 1716.523972][T13049] CPU: 3 UID: 0 PID: 13049 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1716.524303][T13049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1716.524660][T13049] Call Trace:
[ 1716.524790][T13049]  <TASK>
[ 1716.524880][T13049]  dump_stack_lvl+0xb0/0xd0
[ 1716.525059][T13049]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1716.525276][T13049]  ip6mr_get_table+0x142/0x190
[ 1716.525451][T13049]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1716.525622][T13049]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1716.525843][T13049]  ? __lock_release+0x103/0x460
[ 1716.526014][T13049]  ? __might_fault+0x11b/0x170
[ 1716.526207][T13049]  ? trace_lock_acquire+0x14d/0x1f0
[ 1716.526369][T13049]  ? __might_fault+0xc3/0x170
[ 1716.526537][T13049]  ? lock_acquire+0x32/0xc0
[ 1716.526690][T13049]  ? __might_fault+0xc3/0x170
[ 1716.526863][T13049]  ? __might_fault+0x11b/0x170
[ 1716.527025][T13049]  do_ipv6_setsockopt+0x705/0x34e0
[ 1716.527244][T13049]  ? __lock_release+0xe0/0x460
[ 1716.527439][T13049]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1716.527625][T13049]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1716.527789][T13049]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1716.527976][T13049]  ? validate_chain+0x1fe/0xae0
[ 1716.528154][T13049]  ? is_bpf_text_address+0x67/0x120
[ 1716.528342][T13049]  ? __pfx_validate_chain+0x10/0x10
[ 1716.528506][T13049]  ? hlock_class+0x4e/0x130
[ 1716.528664][T13049]  ? mark_lock+0x38/0x3e0
[ 1716.528799][T13049]  ? __lock_acquire+0xb3f/0x1580
[ 1716.528970][T13049]  ? find_held_lock+0x2c/0x110
[ 1716.529176][T13049]  ? ipv6_setsockopt+0x7f/0xe0
[ 1716.529337][T13049]  ipv6_setsockopt+0x7f/0xe0
[ 1716.529501][T13049]  rawv6_setsockopt+0xb7/0x550
[ 1716.529659][T13049]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1716.529821][T13049]  ? __lock_acquire+0xb3f/0x1580
[ 1716.529981][T13049]  ? kfree+0x2d/0x340
[ 1716.530145][T13049]  do_sock_setsockopt+0x149/0x3a0
[ 1716.530305][T13049]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1716.530468][T13049]  ? __lock_release+0x103/0x460
[ 1716.530624][T13049]  ? fd_install+0x1d1/0x5a0
[ 1716.530812][T13049]  ? trace_lock_acquire+0x14d/0x1f0
[ 1716.530972][T13049]  ? fdget+0x52/0x1e0
[ 1716.531112][T13049]  __sys_setsockopt+0x104/0x1a0
[ 1716.531272][T13049]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1716.531426][T13049]  ? __sys_socket+0x168/0x1e0
[ 1716.531605][T13049]  ? __pfx___sys_socket+0x10/0x10
[ 1716.531771][T13049]  __x64_sys_setsockopt+0xbd/0x160
[ 1716.531931][T13049]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1716.532144][T13049]  do_syscall_64+0xc1/0x1d0
[ 1716.532308][T13049]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1716.532511][T13049] RIP: 0033:0x7f10a5dbd91e
[ 1716.532682][T13049] 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
[ 1716.533256][T13049] RSP: 002b:00007ffc5887f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1716.533503][T13049] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10a5dbd91e
[ 1716.533743][T13049] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1716.533993][T13049] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1716.534280][T13049] R10: 00007ffc5887f91c R11: 0000000000000246 R12: 0000000000000000
[ 1716.534514][T13049] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f10a5ec2000
[ 1716.534763][T13049]  </TASK>
[ 1716.541166][T13049] veth0: entered allmulticast mode
[ 1716.541733][T13049] veth1: entered allmulticast mode
[ 1716.542064][T13049] veth2: entered allmulticast mode
[ 1716.542383][T13049] veth3: entered allmulticast mode
[ 1716.542725][T13049] veth4: entered allmulticast mode
[ 1716.543044][T13049] veth5: entered allmulticast mode
[ 1763.064340][T13049] veth0: left allmulticast mode
[ 1763.064698][T13049] veth1: left allmulticast mode
[ 1763.064932][T13049] veth2: left allmulticast mode
[ 1763.065160][T13049] veth3: left allmulticast mode
[ 1763.065386][T13049] veth4: left allmulticast mode
[ 1763.065618][T13049] veth5: left allmulticast mode