[ 1300.695434][ T7473] 
[ 1300.695596][ T7473] =============================
[ 1300.695769][ T7473] WARNING: suspicious RCU usage
[ 1300.695931][ T7473] 6.12.0-rc6-virtme #1 Not tainted
[ 1300.696134][ T7473] -----------------------------
[ 1300.696307][ T7473] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1300.696552][ T7473] 
[ 1300.696552][ T7473] other info that might help us debug this:
[ 1300.696552][ T7473] 
[ 1300.696933][ T7473] 
[ 1300.696933][ T7473] rcu_scheduler_active = 2, debug_locks = 1
[ 1300.697480][ T7473] no locks held by smcrouted/7473.
[ 1300.697653][ T7473] 
[ 1300.697653][ T7473] stack backtrace:
[ 1300.697853][ T7473] CPU: 0 UID: 0 PID: 7473 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1300.698135][ T7473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1300.698345][ T7473] Call Trace:
[ 1300.698471][ T7473]  <TASK>
[ 1300.698564][ T7473]  dump_stack_lvl+0xb0/0xd0
[ 1300.698746][ T7473]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1300.698921][ T7473]  ip6mr_get_table+0x142/0x190
[ 1300.699111][ T7473]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1300.699273][ T7473]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1300.699494][ T7473]  ? __lock_release+0x103/0x460
[ 1300.699655][ T7473]  ? __might_fault+0x11b/0x170
[ 1300.699820][ T7473]  ? trace_lock_acquire+0x14d/0x1f0
[ 1300.700016][ T7473]  ? __might_fault+0xc3/0x170
[ 1300.700180][ T7473]  ? lock_acquire+0x32/0xc0
[ 1300.700339][ T7473]  ? __might_fault+0xc3/0x170
[ 1300.700503][ T7473]  ? __might_fault+0x11b/0x170
[ 1300.700673][ T7473]  do_ipv6_setsockopt+0x705/0x34e0
[ 1300.700835][ T7473]  ? __lock_release+0xe0/0x460
[ 1300.700995][ T7473]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1300.701169][ T7473]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1300.701331][ T7473]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1300.701488][ T7473]  ? validate_chain+0x1fe/0xae0
[ 1300.701649][ T7473]  ? is_bpf_text_address+0x67/0x120
[ 1300.701829][ T7473]  ? __pfx_validate_chain+0x10/0x10
[ 1300.701995][ T7473]  ? hlock_class+0x4e/0x130
[ 1300.702157][ T7473]  ? mark_lock+0x38/0x3e0
[ 1300.702282][ T7473]  ? __lock_acquire+0xb3f/0x1580
[ 1300.702449][ T7473]  ? find_held_lock+0x2c/0x110
[ 1300.702617][ T7473]  ? ipv6_setsockopt+0x7f/0xe0
[ 1300.702771][ T7473]  ipv6_setsockopt+0x7f/0xe0
[ 1300.702936][ T7473]  rawv6_setsockopt+0xb7/0x550
[ 1300.703096][ T7473]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1300.703260][ T7473]  ? __lock_acquire+0xb3f/0x1580
[ 1300.703418][ T7473]  ? kfree+0x2d/0x340
[ 1300.703547][ T7473]  do_sock_setsockopt+0x149/0x3a0
[ 1300.703717][ T7473]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1300.703874][ T7473]  ? __lock_release+0x103/0x460
[ 1300.704041][ T7473]  ? fd_install+0x1d1/0x5a0
[ 1300.704206][ T7473]  ? trace_lock_acquire+0x14d/0x1f0
[ 1300.704365][ T7473]  ? fdget+0x52/0x1e0
[ 1300.704496][ T7473]  __sys_setsockopt+0x104/0x1a0
[ 1300.704658][ T7473]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1300.704817][ T7473]  ? __sys_socket+0x168/0x1e0
[ 1300.704976][ T7473]  ? __pfx___sys_socket+0x10/0x10
[ 1300.705135][ T7473]  ? do_user_addr_fault+0x374/0xe30
[ 1300.705297][ T7473]  __x64_sys_setsockopt+0xbd/0x160
[ 1300.705457][ T7473]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1300.705656][ T7473]  do_syscall_64+0xc1/0x1d0
[ 1300.705826][ T7473]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1300.706026][ T7473] RIP: 0033:0x7f2292ef691e
[ 1300.706197][ T7473] 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
[ 1300.706757][ T7473] RSP: 002b:00007ffef94fec88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1300.707008][ T7473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2292ef691e
[ 1300.707268][ T7473] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1300.707515][ T7473] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1300.707757][ T7473] R10: 00007ffef94fecac R11: 0000000000000246 R12: 0000000000000000
[ 1300.707992][ T7473] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f2292ffb000
[ 1300.708260][ T7473]  </TASK>
[ 1300.712529][ T7473] veth0: entered allmulticast mode
[ 1300.713209][ T7473] veth1: entered allmulticast mode
[ 1300.713565][ T7473] veth2: entered allmulticast mode
[ 1300.713890][ T7473] veth3: entered allmulticast mode
[ 1319.379889][ T7473] veth0: left allmulticast mode
[ 1319.380291][ T7473] veth1: left allmulticast mode
[ 1319.380566][ T7473] veth2: left allmulticast mode
[ 1319.380850][ T7473] veth3: left allmulticast mode