[ 1738.605630][ T9229] 
[ 1738.605769][ T9229] =============================
[ 1738.605920][ T9229] WARNING: suspicious RCU usage
[ 1738.606079][ T9229] 6.12.0-rc5-virtme #1 Not tainted
[ 1738.606295][ T9229] -----------------------------
[ 1738.606445][ T9229] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1738.607522][ T9229] 
[ 1738.607522][ T9229] other info that might help us debug this:
[ 1738.607522][ T9229] 
[ 1738.607850][ T9229] 
[ 1738.607850][ T9229] rcu_scheduler_active = 2, debug_locks = 1
[ 1738.608072][ T9229] no locks held by smcrouted/9229.
[ 1738.608227][ T9229] 
[ 1738.608227][ T9229] stack backtrace:
[ 1738.608429][ T9229] CPU: 2 UID: 0 PID: 9229 Comm: smcrouted Not tainted 6.12.0-rc5-virtme #1
[ 1738.608703][ T9229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1738.609051][ T9229] Call Trace:
[ 1738.609174][ T9229]  <TASK>
[ 1738.609256][ T9229]  dump_stack_lvl+0xb0/0xd0
[ 1738.609419][ T9229]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1738.609576][ T9229]  ip6mr_get_table+0x142/0x190
[ 1738.609733][ T9229]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1738.609897][ T9229]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1738.610091][ T9229]  ? __lock_release+0x103/0x460
[ 1738.610240][ T9229]  ? __might_fault+0x11b/0x170
[ 1738.610401][ T9229]  ? trace_lock_acquire+0x14d/0x1f0
[ 1738.610563][ T9229]  ? __might_fault+0xc3/0x170
[ 1738.610711][ T9229]  ? lock_acquire+0x32/0xc0
[ 1738.610860][ T9229]  ? __might_fault+0xc3/0x170
[ 1738.611014][ T9229]  ? __might_fault+0x11b/0x170
[ 1738.611183][ T9229]  do_ipv6_setsockopt+0x705/0x34e0
[ 1738.611344][ T9229]  ? __lock_release+0x50/0x460
[ 1738.611517][ T9229]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1738.611667][ T9229]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1738.611827][ T9229]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1738.611981][ T9229]  ? validate_chain+0x1fe/0xae0
[ 1738.612131][ T9229]  ? is_bpf_text_address+0x67/0x120
[ 1738.612287][ T9229]  ? __pfx_validate_chain+0x10/0x10
[ 1738.612445][ T9229]  ? hlock_class+0x4e/0x130
[ 1738.612605][ T9229]  ? mark_lock+0x38/0x3e0
[ 1738.612729][ T9229]  ? __lock_acquire+0xb3f/0x1580
[ 1738.612902][ T9229]  ? find_held_lock+0x2c/0x110
[ 1738.613064][ T9229]  ? ipv6_setsockopt+0x7f/0xe0
[ 1738.613219][ T9229]  ipv6_setsockopt+0x7f/0xe0
[ 1738.613372][ T9229]  rawv6_setsockopt+0xb7/0x550
[ 1738.613532][ T9229]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1738.613687][ T9229]  ? __lock_acquire+0xb3f/0x1580
[ 1738.613838][ T9229]  ? kfree+0x2d/0x340
[ 1738.613960][ T9229]  do_sock_setsockopt+0x149/0x3a0
[ 1738.614113][ T9229]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1738.614260][ T9229]  ? __lock_release+0x103/0x460
[ 1738.614406][ T9229]  ? fd_install+0x1d1/0x5a0
[ 1738.614562][ T9229]  ? trace_lock_acquire+0x14d/0x1f0
[ 1738.614717][ T9229]  ? fdget+0x52/0x1e0
[ 1738.614834][ T9229]  __sys_setsockopt+0x104/0x1a0
[ 1738.614996][ T9229]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1738.615153][ T9229]  ? __sys_socket+0x168/0x1e0
[ 1738.615306][ T9229]  ? __pfx___sys_socket+0x10/0x10
[ 1738.615460][ T9229]  __x64_sys_setsockopt+0xbd/0x160
[ 1738.615607][ T9229]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1738.615790][ T9229]  do_syscall_64+0xc1/0x1d0
[ 1738.615946][ T9229]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1738.616147][ T9229] RIP: 0033:0x7fe64defc91e
[ 1738.616311][ T9229] 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
[ 1738.616845][ T9229] RSP: 002b:00007fffa2b05ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1738.617072][ T9229] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe64defc91e
[ 1738.617304][ T9229] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1738.617539][ T9229] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1738.617809][ T9229] R10: 00007fffa2b05b0c R11: 0000000000000246 R12: 0000000000000000
[ 1738.618052][ T9229] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe64e001000
[ 1738.618312][ T9229]  </TASK>
[ 1738.626196][ T9229] veth0: entered allmulticast mode
[ 1738.626787][ T9229] veth1: entered allmulticast mode
[ 1738.627139][ T9229] veth2: entered allmulticast mode
[ 1738.627464][ T9229] veth3: entered allmulticast mode
[ 1738.627831][ T9229] veth4: entered allmulticast mode
[ 1738.628167][ T9229] veth5: entered allmulticast mode
[ 1786.056651][ T9229] veth0: left allmulticast mode
[ 1786.056950][ T9229] veth1: left allmulticast mode
[ 1786.057182][ T9229] veth2: left allmulticast mode
[ 1786.057424][ T9229] veth3: left allmulticast mode
[ 1786.057658][ T9229] veth4: left allmulticast mode
[ 1786.057883][ T9229] veth5: left allmulticast mode