[ 1266.759110][ T4456] 
[ 1266.759286][ T4456] =============================
[ 1266.759584][ T4456] WARNING: suspicious RCU usage
[ 1266.759773][ T4456] 6.12.0-rc6-virtme #1 Not tainted
[ 1266.759946][ T4456] -----------------------------
[ 1266.760118][ T4456] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1266.760374][ T4456] 
[ 1266.760374][ T4456] other info that might help us debug this:
[ 1266.760374][ T4456] 
[ 1266.760743][ T4456] 
[ 1266.760743][ T4456] rcu_scheduler_active = 2, debug_locks = 1
[ 1266.760999][ T4456] no locks held by smcrouted/4456.
[ 1266.761188][ T4456] 
[ 1266.761188][ T4456] stack backtrace:
[ 1266.761409][ T4456] CPU: 2 UID: 0 PID: 4456 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1266.761712][ T4456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1266.761923][ T4456] Call Trace:
[ 1266.762051][ T4456]  <TASK>
[ 1266.762139][ T4456]  dump_stack_lvl+0xb0/0xd0
[ 1266.762310][ T4456]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1266.762476][ T4456]  ip6mr_get_table+0x142/0x190
[ 1266.762642][ T4456]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1266.762804][ T4456]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1266.763008][ T4456]  ? __lock_release+0x103/0x460
[ 1266.763169][ T4456]  ? __might_fault+0x11b/0x170
[ 1266.763336][ T4456]  ? trace_lock_acquire+0x14d/0x1f0
[ 1266.763503][ T4456]  ? __might_fault+0xc3/0x170
[ 1266.763662][ T4456]  ? lock_acquire+0x32/0xc0
[ 1266.763827][ T4456]  ? __might_fault+0xc3/0x170
[ 1266.763986][ T4456]  ? __might_fault+0x11b/0x170
[ 1266.764154][ T4456]  do_ipv6_setsockopt+0x705/0x34e0
[ 1266.764325][ T4456]  ? __lock_release+0xe0/0x460
[ 1266.764493][ T4456]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1266.764648][ T4456]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1266.764810][ T4456]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1266.764981][ T4456]  ? validate_chain+0x1fe/0xae0
[ 1266.765141][ T4456]  ? is_bpf_text_address+0x67/0x120
[ 1266.765311][ T4456]  ? __pfx_validate_chain+0x10/0x10
[ 1266.765476][ T4456]  ? hlock_class+0x4e/0x130
[ 1266.765654][ T4456]  ? mark_lock+0x38/0x3e0
[ 1266.765784][ T4456]  ? __lock_acquire+0xb3f/0x1580
[ 1266.765954][ T4456]  ? find_held_lock+0x2c/0x110
[ 1266.766119][ T4456]  ? ipv6_setsockopt+0x7f/0xe0
[ 1266.766281][ T4456]  ipv6_setsockopt+0x7f/0xe0
[ 1266.766473][ T4456]  rawv6_setsockopt+0xb7/0x550
[ 1266.766640][ T4456]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1266.766795][ T4456]  ? __lock_acquire+0xb3f/0x1580
[ 1266.766961][ T4456]  ? kfree+0x2d/0x340
[ 1266.767098][ T4456]  do_sock_setsockopt+0x149/0x3a0
[ 1266.767255][ T4456]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1266.767424][ T4456]  ? __lock_release+0x103/0x460
[ 1266.767623][ T4456]  ? fd_install+0x1d1/0x5a0
[ 1266.767799][ T4456]  ? trace_lock_acquire+0x14d/0x1f0
[ 1266.767979][ T4456]  ? fdget+0x52/0x1e0
[ 1266.768107][ T4456]  __sys_setsockopt+0x104/0x1a0
[ 1266.768268][ T4456]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1266.768427][ T4456]  ? __sys_socket+0x168/0x1e0
[ 1266.768595][ T4456]  ? __pfx___sys_socket+0x10/0x10
[ 1266.768758][ T4456]  __x64_sys_setsockopt+0xbd/0x160
[ 1266.768917][ T4456]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1266.769118][ T4456]  do_syscall_64+0xc1/0x1d0
[ 1266.769279][ T4456]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1266.769474][ T4456] RIP: 0033:0x7fe4e156791e
[ 1266.769644][ T4456] 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
[ 1266.770192][ T4456] RSP: 002b:00007ffd63832b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1266.770443][ T4456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4e156791e
[ 1266.770682][ T4456] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1266.770917][ T4456] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000dba010
[ 1266.771154][ T4456] R10: 00007ffd63832b4c R11: 0000000000000246 R12: 0000000000000000
[ 1266.771397][ T4456] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe4e166c000
[ 1266.771649][ T4456]  </TASK>
[ 1266.776092][ T4456] veth0: entered allmulticast mode
[ 1266.778032][ T4456] veth1: entered allmulticast mode
[ 1266.778402][ T4456] veth2: entered allmulticast mode
[ 1266.778756][ T4456] veth3: entered allmulticast mode
[ 1266.779093][ T4456] veth4: entered allmulticast mode
[ 1266.779439][ T4456] veth5: entered allmulticast mode
[ 1277.475059][ T4542] GACT probability NOT on
[ 1294.463894][ T4456] veth0: left allmulticast mode
[ 1294.464235][ T4456] veth1: left allmulticast mode
[ 1294.464498][ T4456] veth2: left allmulticast mode
[ 1294.464737][ T4456] veth3: left allmulticast mode
[ 1294.464980][ T4456] veth4: left allmulticast mode
[ 1294.465207][ T4456] veth5: left allmulticast mode