[ 1295.202938][ T8243] 
[ 1295.203947][ T8243] =============================
[ 1295.204293][ T8243] WARNING: suspicious RCU usage
[ 1295.204624][ T8243] 6.12.0-rc7-virtme #1 Not tainted
[ 1295.204939][ T8243] -----------------------------
[ 1295.205371][ T8243] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1295.205737][ T8243] 
[ 1295.205737][ T8243] other info that might help us debug this:
[ 1295.205737][ T8243] 
[ 1295.206151][ T8243] 
[ 1295.206151][ T8243] rcu_scheduler_active = 2, debug_locks = 1
[ 1295.206520][ T8243] no locks held by smcrouted/8243.
[ 1295.206732][ T8243] 
[ 1295.206732][ T8243] stack backtrace:
[ 1295.206991][ T8243] CPU: 2 UID: 0 PID: 8243 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1295.207333][ T8243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1295.207577][ T8243] Call Trace:
[ 1295.207741][ T8243]  <TASK>
[ 1295.207846][ T8243]  dump_stack_lvl+0xb0/0xd0
[ 1295.208053][ T8243]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1295.208258][ T8243]  ip6mr_get_table+0x142/0x190
[ 1295.208469][ T8243]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1295.208668][ T8243]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1295.209282][ T8243]  ? __lock_release+0x103/0x460
[ 1295.209499][ T8243]  ? __might_fault+0x11b/0x170
[ 1295.209664][ T8243]  ? trace_lock_acquire+0x14d/0x1f0
[ 1295.209833][ T8243]  ? __might_fault+0xc3/0x170
[ 1295.210022][ T8243]  ? lock_acquire+0x32/0xc0
[ 1295.210216][ T8243]  ? __might_fault+0xc3/0x170
[ 1295.210396][ T8243]  ? __might_fault+0x11b/0x170
[ 1295.210631][ T8243]  do_ipv6_setsockopt+0x705/0x34e0
[ 1295.210829][ T8243]  ? __lock_release+0x10/0x460
[ 1295.211036][ T8243]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1295.211226][ T8243]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1295.211429][ T8243]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1295.211622][ T8243]  ? validate_chain+0x1fe/0xae0
[ 1295.211824][ T8243]  ? is_bpf_text_address+0x67/0x120
[ 1295.212031][ T8243]  ? __pfx_validate_chain+0x10/0x10
[ 1295.212222][ T8243]  ? hlock_class+0x4e/0x130
[ 1295.212418][ T8243]  ? mark_lock+0x38/0x3e0
[ 1295.212569][ T8243]  ? __lock_acquire+0xb3f/0x1580
[ 1295.212771][ T8243]  ? find_held_lock+0x2c/0x110
[ 1295.212969][ T8243]  ? ipv6_setsockopt+0x7f/0xe0
[ 1295.213161][ T8243]  ipv6_setsockopt+0x7f/0xe0
[ 1295.213356][ T8243]  rawv6_setsockopt+0xb7/0x550
[ 1295.213552][ T8243]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1295.213748][ T8243]  ? __lock_acquire+0xb3f/0x1580
[ 1295.213942][ T8243]  ? kfree+0x2d/0x340
[ 1295.214106][ T8243]  do_sock_setsockopt+0x149/0x3a0
[ 1295.214300][ T8243]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1295.214492][ T8243]  ? __lock_release+0x103/0x460
[ 1295.214683][ T8243]  ? fd_install+0x1d1/0x5a0
[ 1295.214880][ T8243]  ? trace_lock_acquire+0x14d/0x1f0
[ 1295.215072][ T8243]  ? fdget+0x52/0x1e0
[ 1295.215225][ T8243]  __sys_setsockopt+0x104/0x1a0
[ 1295.215426][ T8243]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1295.215617][ T8243]  ? __sys_socket+0x168/0x1e0
[ 1295.215809][ T8243]  ? __pfx___sys_socket+0x10/0x10
[ 1295.216002][ T8243]  ? do_user_addr_fault+0x374/0xe30
[ 1295.216198][ T8243]  __x64_sys_setsockopt+0xbd/0x160
[ 1295.216391][ T8243]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1295.216634][ T8243]  do_syscall_64+0xc1/0x1d0
[ 1295.216832][ T8243]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1295.217078][ T8243] RIP: 0033:0x7f29129bd91e
[ 1295.217281][ T8243] 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
[ 1295.217959][ T8243] RSP: 002b:00007ffd4bef9bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1295.218248][ T8243] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f29129bd91e
[ 1295.218545][ T8243] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1295.218833][ T8243] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1295.219120][ T8243] R10: 00007ffd4bef9bec R11: 0000000000000246 R12: 0000000000000000
[ 1295.219407][ T8243] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f2912ac2000
[ 1295.219711][ T8243]  </TASK>
[ 1295.224430][ T8243] veth0: entered allmulticast mode
[ 1295.225604][ T8243] veth1: entered allmulticast mode
[ 1295.226288][ T8243] veth2: entered allmulticast mode
[ 1295.227059][ T8243] veth3: entered allmulticast mode
[ 1314.201615][ T8243] veth0: left allmulticast mode
[ 1314.202052][ T8243] veth1: left allmulticast mode
[ 1314.202348][ T8243] veth2: left allmulticast mode
[ 1314.202630][ T8243] veth3: left allmulticast mode