[ 1292.225634][ T7827] 
[ 1292.226618][ T7827] =============================
[ 1292.226859][ T7827] WARNING: suspicious RCU usage
[ 1292.227063][ T7827] 6.12.0-rc6-virtme #1 Not tainted
[ 1292.227315][ T7827] -----------------------------
[ 1292.227547][ T7827] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1292.227813][ T7827] 
[ 1292.227813][ T7827] other info that might help us debug this:
[ 1292.227813][ T7827] 
[ 1292.228251][ T7827] 
[ 1292.228251][ T7827] rcu_scheduler_active = 2, debug_locks = 1
[ 1292.228507][ T7827] no locks held by smcrouted/7827.
[ 1292.228764][ T7827] 
[ 1292.228764][ T7827] stack backtrace:
[ 1292.229002][ T7827] CPU: 2 UID: 0 PID: 7827 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1292.229386][ T7827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1292.229617][ T7827] Call Trace:
[ 1292.229768][ T7827]  <TASK>
[ 1292.229907][ T7827]  dump_stack_lvl+0xb0/0xd0
[ 1292.230087][ T7827]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1292.230263][ T7827]  ip6mr_get_table+0x142/0x190
[ 1292.230481][ T7827]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1292.230650][ T7827]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1292.230882][ T7827]  ? __lock_release+0x103/0x460
[ 1292.231111][ T7827]  ? __might_fault+0x11b/0x170
[ 1292.231275][ T7827]  ? trace_lock_acquire+0x14d/0x1f0
[ 1292.231502][ T7827]  ? __might_fault+0xc3/0x170
[ 1292.231663][ T7827]  ? lock_acquire+0x32/0xc0
[ 1292.231873][ T7827]  ? __might_fault+0xc3/0x170
[ 1292.232128][ T7827]  ? __might_fault+0x11b/0x170
[ 1292.232296][ T7827]  do_ipv6_setsockopt+0x705/0x34e0
[ 1292.232462][ T7827]  ? __lock_release+0xe0/0x460
[ 1292.232644][ T7827]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1292.232865][ T7827]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1292.233037][ T7827]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1292.233234][ T7827]  ? validate_chain+0x1fe/0xae0
[ 1292.233429][ T7827]  ? is_bpf_text_address+0x67/0x120
[ 1292.233607][ T7827]  ? __pfx_validate_chain+0x10/0x10
[ 1292.233824][ T7827]  ? hlock_class+0x4e/0x130
[ 1292.234001][ T7827]  ? mark_lock+0x38/0x3e0
[ 1292.234146][ T7827]  ? __lock_acquire+0xb3f/0x1580
[ 1292.234353][ T7827]  ? find_held_lock+0x2c/0x110
[ 1292.234561][ T7827]  ? ipv6_setsockopt+0x7f/0xe0
[ 1292.234778][ T7827]  ipv6_setsockopt+0x7f/0xe0
[ 1292.234980][ T7827]  rawv6_setsockopt+0xb7/0x550
[ 1292.235148][ T7827]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1292.235308][ T7827]  ? __lock_acquire+0xb3f/0x1580
[ 1292.235474][ T7827]  ? kfree+0x2d/0x340
[ 1292.235604][ T7827]  do_sock_setsockopt+0x149/0x3a0
[ 1292.235776][ T7827]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1292.235984][ T7827]  ? __lock_release+0x103/0x460
[ 1292.236195][ T7827]  ? fd_install+0x1d1/0x5a0
[ 1292.236360][ T7827]  ? trace_lock_acquire+0x14d/0x1f0
[ 1292.236520][ T7827]  ? fdget+0x52/0x1e0
[ 1292.236653][ T7827]  __sys_setsockopt+0x104/0x1a0
[ 1292.236914][ T7827]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1292.237092][ T7827]  ? __sys_socket+0x168/0x1e0
[ 1292.237263][ T7827]  ? __pfx___sys_socket+0x10/0x10
[ 1292.237424][ T7827]  ? do_user_addr_fault+0x374/0xe30
[ 1292.237593][ T7827]  __x64_sys_setsockopt+0xbd/0x160
[ 1292.237758][ T7827]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1292.237968][ T7827]  do_syscall_64+0xc1/0x1d0
[ 1292.238206][ T7827]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1292.238506][ T7827] RIP: 0033:0x7ff0bb71191e
[ 1292.238728][ T7827] 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
[ 1292.239521][ T7827] RSP: 002b:00007ffc94435ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1292.239914][ T7827] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff0bb71191e
[ 1292.240305][ T7827] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1292.240702][ T7827] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1292.241081][ T7827] R10: 00007ffc94435eec R11: 0000000000000246 R12: 0000000000000000
[ 1292.241367][ T7827] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff0bb816000
[ 1292.241622][ T7827]  </TASK>
[ 1292.254926][ T7827] veth0: entered allmulticast mode
[ 1292.255689][ T7827] veth1: entered allmulticast mode
[ 1292.256328][ T7827] veth2: entered allmulticast mode
[ 1292.256790][ T7827] veth3: entered allmulticast mode
[ 1311.324480][ T7827] veth0: left allmulticast mode
[ 1311.324865][ T7827] veth1: left allmulticast mode
[ 1311.325111][ T7827] veth2: left allmulticast mode
[ 1311.325353][ T7827] veth3: left allmulticast mode