[ 1740.870436][ T9879] 
[ 1740.870567][ T9879] =============================
[ 1740.870720][ T9879] WARNING: suspicious RCU usage
[ 1740.870880][ T9879] 6.12.0-rc6-virtme #1 Not tainted
[ 1740.871031][ T9879] -----------------------------
[ 1740.871182][ T9879] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1740.872083][ T9879] 
[ 1740.872083][ T9879] other info that might help us debug this:
[ 1740.872083][ T9879] 
[ 1740.872415][ T9879] 
[ 1740.872415][ T9879] rcu_scheduler_active = 2, debug_locks = 1
[ 1740.872662][ T9879] no locks held by smcrouted/9879.
[ 1740.872834][ T9879] 
[ 1740.872834][ T9879] stack backtrace:
[ 1740.873042][ T9879] CPU: 0 UID: 0 PID: 9879 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1740.873341][ T9879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1740.873701][ T9879] Call Trace:
[ 1740.873831][ T9879]  <TASK>
[ 1740.873923][ T9879]  dump_stack_lvl+0xb0/0xd0
[ 1740.874105][ T9879]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1740.874277][ T9879]  ip6mr_get_table+0x142/0x190
[ 1740.874445][ T9879]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1740.874622][ T9879]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1740.874872][ T9879]  ? __lock_release+0x103/0x460
[ 1740.875041][ T9879]  ? __might_fault+0x11b/0x170
[ 1740.875258][ T9879]  ? trace_lock_acquire+0x14d/0x1f0
[ 1740.875431][ T9879]  ? __might_fault+0xc3/0x170
[ 1740.875598][ T9879]  ? lock_acquire+0x32/0xc0
[ 1740.875768][ T9879]  ? __might_fault+0xc3/0x170
[ 1740.875937][ T9879]  ? __might_fault+0x11b/0x170
[ 1740.876112][ T9879]  do_ipv6_setsockopt+0x705/0x34e0
[ 1740.876289][ T9879]  ? __lock_release+0xe0/0x460
[ 1740.876453][ T9879]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1740.876635][ T9879]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1740.876804][ T9879]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1740.876969][ T9879]  ? validate_chain+0x1fe/0xae0
[ 1740.877136][ T9879]  ? is_bpf_text_address+0x67/0x120
[ 1740.877307][ T9879]  ? __pfx_validate_chain+0x10/0x10
[ 1740.877469][ T9879]  ? hlock_class+0x4e/0x130
[ 1740.877634][ T9879]  ? mark_lock+0x38/0x3e0
[ 1740.877765][ T9879]  ? __lock_acquire+0xb3f/0x1580
[ 1740.877945][ T9879]  ? find_held_lock+0x2c/0x110
[ 1740.878120][ T9879]  ? ipv6_setsockopt+0x7f/0xe0
[ 1740.878296][ T9879]  ipv6_setsockopt+0x7f/0xe0
[ 1740.878468][ T9879]  rawv6_setsockopt+0xb7/0x550
[ 1740.878681][ T9879]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1740.878861][ T9879]  ? __lock_acquire+0xb3f/0x1580
[ 1740.879030][ T9879]  ? kfree+0x2d/0x340
[ 1740.879191][ T9879]  do_sock_setsockopt+0x149/0x3a0
[ 1740.879369][ T9879]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1740.879552][ T9879]  ? __lock_release+0x103/0x460
[ 1740.879733][ T9879]  ? fd_install+0x1d1/0x5a0
[ 1740.879903][ T9879]  ? trace_lock_acquire+0x14d/0x1f0
[ 1740.880092][ T9879]  ? fdget+0x52/0x1e0
[ 1740.880221][ T9879]  __sys_setsockopt+0x104/0x1a0
[ 1740.880407][ T9879]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1740.880575][ T9879]  ? __sys_socket+0x168/0x1e0
[ 1740.880768][ T9879]  ? __pfx___sys_socket+0x10/0x10
[ 1740.880938][ T9879]  __x64_sys_setsockopt+0xbd/0x160
[ 1740.881125][ T9879]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1740.881330][ T9879]  do_syscall_64+0xc1/0x1d0
[ 1740.881514][ T9879]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1740.881727][ T9879] RIP: 0033:0x7fcfaebff91e
[ 1740.881905][ T9879] 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
[ 1740.882476][ T9879] RSP: 002b:00007ffcec7992e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1740.882724][ T9879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfaebff91e
[ 1740.882972][ T9879] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1740.883253][ T9879] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1740.883511][ T9879] R10: 00007ffcec79930c R11: 0000000000000246 R12: 0000000000000000
[ 1740.883762][ T9879] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcfaed04000
[ 1740.884020][ T9879]  </TASK>
[ 1740.889529][ T9879] veth0: entered allmulticast mode
[ 1740.890098][ T9879] veth1: entered allmulticast mode
[ 1740.890463][ T9879] veth2: entered allmulticast mode
[ 1740.890787][ T9879] veth3: entered allmulticast mode
[ 1740.891116][ T9879] veth4: entered allmulticast mode
[ 1740.891459][ T9879] veth5: entered allmulticast mode
[ 1788.234583][ T9879] veth0: left allmulticast mode
[ 1788.234901][ T9879] veth1: left allmulticast mode
[ 1788.235137][ T9879] veth2: left allmulticast mode
[ 1788.235388][ T9879] veth3: left allmulticast mode
[ 1788.235631][ T9879] veth4: left allmulticast mode
[ 1788.235861][ T9879] veth5: left allmulticast mode