[ 1305.323755][T13840] 
[ 1305.323929][T13840] =============================
[ 1305.324096][T13840] WARNING: suspicious RCU usage
[ 1305.324263][T13840] 6.12.0-rc6-virtme #1 Not tainted
[ 1305.324441][T13840] -----------------------------
[ 1305.324650][T13840] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1305.324883][T13840] 
[ 1305.324883][T13840] other info that might help us debug this:
[ 1305.324883][T13840] 
[ 1305.325260][T13840] 
[ 1305.325260][T13840] rcu_scheduler_active = 2, debug_locks = 1
[ 1305.325506][T13840] no locks held by smcrouted/13840.
[ 1305.325667][T13840] 
[ 1305.325667][T13840] stack backtrace:
[ 1305.325872][T13840] CPU: 0 UID: 0 PID: 13840 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1305.326154][T13840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1305.326352][T13840] Call Trace:
[ 1305.326483][T13840]  <TASK>
[ 1305.326573][T13840]  dump_stack_lvl+0xb0/0xd0
[ 1305.326751][T13840]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1305.326920][T13840]  ip6mr_get_table+0x142/0x190
[ 1305.327086][T13840]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1305.327250][T13840]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1305.327459][T13840]  ? __lock_release+0x103/0x460
[ 1305.327620][T13840]  ? __might_fault+0x11b/0x170
[ 1305.327780][T13840]  ? trace_lock_acquire+0x14d/0x1f0
[ 1305.327952][T13840]  ? __might_fault+0xc3/0x170
[ 1305.328110][T13840]  ? lock_acquire+0x32/0xc0
[ 1305.328267][T13840]  ? __might_fault+0xc3/0x170
[ 1305.328428][T13840]  ? __might_fault+0x11b/0x170
[ 1305.328594][T13840]  do_ipv6_setsockopt+0x705/0x34e0
[ 1305.328760][T13840]  ? __lock_release+0xe0/0x460
[ 1305.328923][T13840]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1305.329081][T13840]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1305.329244][T13840]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1305.329407][T13840]  ? validate_chain+0x1fe/0xae0
[ 1305.329573][T13840]  ? is_bpf_text_address+0x67/0x120
[ 1305.329743][T13840]  ? __pfx_validate_chain+0x10/0x10
[ 1305.329904][T13840]  ? hlock_class+0x4e/0x130
[ 1305.330062][T13840]  ? mark_lock+0x38/0x3e0
[ 1305.330196][T13840]  ? __lock_acquire+0xb3f/0x1580
[ 1305.330366][T13840]  ? find_held_lock+0x2c/0x110
[ 1305.330534][T13840]  ? ipv6_setsockopt+0x7f/0xe0
[ 1305.330701][T13840]  ipv6_setsockopt+0x7f/0xe0
[ 1305.330864][T13840]  rawv6_setsockopt+0xb7/0x550
[ 1305.331026][T13840]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1305.331187][T13840]  ? __lock_acquire+0xb3f/0x1580
[ 1305.331356][T13840]  ? kfree+0x2d/0x340
[ 1305.331486][T13840]  do_sock_setsockopt+0x149/0x3a0
[ 1305.331652][T13840]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1305.331811][T13840]  ? __lock_release+0x103/0x460
[ 1305.331978][T13840]  ? fd_install+0x1d1/0x5a0
[ 1305.332144][T13840]  ? trace_lock_acquire+0x14d/0x1f0
[ 1305.332308][T13840]  ? fdget+0x52/0x1e0
[ 1305.332433][T13840]  __sys_setsockopt+0x104/0x1a0
[ 1305.332595][T13840]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1305.332755][T13840]  ? __sys_socket+0x168/0x1e0
[ 1305.332915][T13840]  ? __pfx___sys_socket+0x10/0x10
[ 1305.333077][T13840]  ? do_user_addr_fault+0x374/0xe30
[ 1305.333243][T13840]  __x64_sys_setsockopt+0xbd/0x160
[ 1305.333401][T13840]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1305.333604][T13840]  do_syscall_64+0xc1/0x1d0
[ 1305.333772][T13840]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1305.334007][T13840] RIP: 0033:0x7ff98f54691e
[ 1305.334175][T13840] 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
[ 1305.334730][T13840] RSP: 002b:00007ffee7c756c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1305.334973][T13840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff98f54691e
[ 1305.335225][T13840] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1305.335460][T13840] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1305.335695][T13840] R10: 00007ffee7c756ec R11: 0000000000000246 R12: 0000000000000000
[ 1305.335936][T13840] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007ff98f64b000
[ 1305.336184][T13840]  </TASK>
[ 1305.339300][T13840] veth0: entered allmulticast mode
[ 1305.339870][T13840] veth1: entered allmulticast mode
[ 1305.340196][T13840] veth2: entered allmulticast mode
[ 1305.340531][T13840] veth3: entered allmulticast mode
[ 1324.093038][T13840] veth0: left allmulticast mode
[ 1324.093452][T13840] veth1: left allmulticast mode
[ 1324.093801][T13840] veth2: left allmulticast mode
[ 1324.094069][T13840] veth3: left allmulticast mode