[ 1300.417950][T13995] 
[ 1300.418152][T13995] =============================
[ 1300.418408][T13995] WARNING: suspicious RCU usage
[ 1300.418681][T13995] 6.12.0-rc7-virtme #1 Not tainted
[ 1300.418947][T13995] -----------------------------
[ 1300.419211][T13995] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1300.419595][T13995] 
[ 1300.419595][T13995] other info that might help us debug this:
[ 1300.419595][T13995] 
[ 1300.420084][T13995] 
[ 1300.420084][T13995] rcu_scheduler_active = 2, debug_locks = 1
[ 1300.420444][T13995] no locks held by smcrouted/13995.
[ 1300.420726][T13995] 
[ 1300.420726][T13995] stack backtrace:
[ 1300.421066][T13995] CPU: 0 UID: 0 PID: 13995 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1300.421543][T13995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1300.421881][T13995] Call Trace:
[ 1300.422100][T13995]  <TASK>
[ 1300.422244][T13995]  dump_stack_lvl+0xb0/0xd0
[ 1300.422531][T13995]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1300.422811][T13995]  ip6mr_get_table+0x142/0x190
[ 1300.423086][T13995]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1300.423370][T13995]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1300.423712][T13995]  ? __lock_release+0x103/0x460
[ 1300.423970][T13995]  ? __might_fault+0x11b/0x170
[ 1300.424236][T13995]  ? trace_lock_acquire+0x14d/0x1f0
[ 1300.424523][T13995]  ? __might_fault+0xc3/0x170
[ 1300.424782][T13995]  ? lock_acquire+0x32/0xc0
[ 1300.425044][T13995]  ? __might_fault+0xc3/0x170
[ 1300.425311][T13995]  ? __might_fault+0x11b/0x170
[ 1300.425683][T13995]  do_ipv6_setsockopt+0x705/0x34e0
[ 1300.425962][T13995]  ? __lock_release+0x10/0x460
[ 1300.426234][T13995]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1300.426504][T13995]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1300.426793][T13995]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1300.427078][T13995]  ? validate_chain+0x1fe/0xae0
[ 1300.427344][T13995]  ? is_bpf_text_address+0x67/0x120
[ 1300.427618][T13995]  ? __pfx_validate_chain+0x10/0x10
[ 1300.427884][T13995]  ? hlock_class+0x4e/0x130
[ 1300.428157][T13995]  ? mark_lock+0x38/0x3e0
[ 1300.428372][T13995]  ? __lock_acquire+0xb3f/0x1580
[ 1300.428659][T13995]  ? find_held_lock+0x2c/0x110
[ 1300.428930][T13995]  ? ipv6_setsockopt+0x7f/0xe0
[ 1300.429193][T13995]  ipv6_setsockopt+0x7f/0xe0
[ 1300.429467][T13995]  rawv6_setsockopt+0xb7/0x550
[ 1300.429730][T13995]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1300.429984][T13995]  ? __lock_acquire+0xb3f/0x1580
[ 1300.430245][T13995]  ? kfree+0x2d/0x340
[ 1300.430457][T13995]  do_sock_setsockopt+0x149/0x3a0
[ 1300.430719][T13995]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1300.430976][T13995]  ? __lock_release+0x103/0x460
[ 1300.431230][T13995]  ? fd_install+0x1d1/0x5a0
[ 1300.431510][T13995]  ? trace_lock_acquire+0x14d/0x1f0
[ 1300.431770][T13995]  ? fdget+0x52/0x1e0
[ 1300.431976][T13995]  __sys_setsockopt+0x104/0x1a0
[ 1300.432245][T13995]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1300.432502][T13995]  ? __sys_socket+0x168/0x1e0
[ 1300.432775][T13995]  ? __pfx___sys_socket+0x10/0x10
[ 1300.433032][T13995]  ? do_user_addr_fault+0x374/0xe30
[ 1300.433296][T13995]  __x64_sys_setsockopt+0xbd/0x160
[ 1300.433561][T13995]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1300.434197][T13995]  do_syscall_64+0xc1/0x1d0
[ 1300.434466][T13995]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1300.434797][T13995] RIP: 0033:0x7fc238bb891e
[ 1300.435085][T13995] 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
[ 1300.436175][T13995] RSP: 002b:00007fff6d475998 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1300.436585][T13995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc238bb891e
[ 1300.437002][T13995] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1300.437395][T13995] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1300.437973][T13995] R10: 00007fff6d4759bc R11: 0000000000000246 R12: 0000000000000000
[ 1300.438388][T13995] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc238cbd000
[ 1300.438819][T13995]  </TASK>
[ 1300.443267][T13995] veth0: entered allmulticast mode
[ 1300.444188][T13995] veth1: entered allmulticast mode
[ 1300.444763][T13995] veth2: entered allmulticast mode
[ 1300.447116][T13995] veth3: entered allmulticast mode
[ 1319.026692][T13995] veth0: left allmulticast mode
[ 1319.027057][T13995] veth1: left allmulticast mode
[ 1319.027312][T13995] veth2: left allmulticast mode
[ 1319.027585][T13995] veth3: left allmulticast mode