[ 5382.717413][T23958] 
[ 5382.717578][T23958] =============================
[ 5382.717750][T23958] WARNING: suspicious RCU usage
[ 5382.717922][T23958] 6.13.0-rc3-virtme #1 Not tainted
[ 5382.718177][T23958] -----------------------------
[ 5382.718345][T23958] net/core/dev.c:876 RCU-list traversed in non-reader section!!
[ 5382.718599][T23958] 
[ 5382.718599][T23958] other info that might help us debug this:
[ 5382.718599][T23958] 
[ 5382.718926][T23958] 
[ 5382.718926][T23958] rcu_scheduler_active = 2, debug_locks = 1
[ 5382.719254][T23958] no locks held by mausezahn/23958.
[ 5382.719423][T23958] 
[ 5382.719423][T23958] stack backtrace:
[ 5382.719622][T23958] CPU: 1 UID: 0 PID: 23958 Comm: mausezahn Not tainted 6.13.0-rc3-virtme #1
[ 5382.719908][T23958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5382.720106][T23958] Call Trace:
[ 5382.720233][T23958]  <TASK>
[ 5382.720320][T23958]  dump_stack_lvl+0xb0/0xd0
[ 5382.720493][T23958]  lockdep_rcu_suspicious+0x1ea/0x280
[ 5382.720667][T23958]  dev_get_by_index_rcu+0x14f/0x190
[ 5382.720830][T23958]  ip6_create_rt_oif_rcu+0x4f/0x4a0
[ 5382.720993][T23958]  ? ip6_route_output_flags+0x2ab/0x480
[ 5382.721168][T23958]  ip6_dst_lookup_tail.constprop.0+0x3cb/0xa00
[ 5382.721383][T23958]  ip6_dst_lookup_flow+0x88/0x190
[ 5382.721548][T23958]  ? __pfx_ip6_dst_lookup_flow+0x10/0x10
[ 5382.721724][T23958]  ? rcu_read_lock_any_held+0x43/0xb0
[ 5382.721894][T23958]  ? validate_chain+0x1fe/0xae0
[ 5382.722062][T23958]  rawv6_sendmsg+0x81d/0x1840
[ 5382.722235][T23958]  ? rwsem_mark_wake+0x41f/0xb70
[ 5382.722407][T23958]  ? __pfx_rawv6_sendmsg+0x10/0x10
[ 5382.722579][T23958]  ? __lock_acquire+0xb9a/0x1680
[ 5382.722749][T23958]  ? do_fault_around+0x2d0/0x4c0
[ 5382.722923][T23958]  ? find_held_lock+0x2c/0x110
[ 5382.723107][T23958]  ? __lock_release+0x103/0x460
[ 5382.723279][T23958]  ? __might_fault+0x11b/0x170
[ 5382.723453][T23958]  ? __might_fault+0xc3/0x170
[ 5382.723625][T23958]  ? __might_fault+0x11b/0x170
[ 5382.723801][T23958]  ? __sys_sendto+0x37a/0x450
[ 5382.723967][T23958]  __sys_sendto+0x37a/0x450
[ 5382.724133][T23958]  ? __pfx___sys_sendto+0x10/0x10
[ 5382.724332][T23958]  ? __lock_release+0x103/0x460
[ 5382.724509][T23958]  ? __pfx___lock_release+0x10/0x10
[ 5382.724703][T23958]  ? __pfx___up_read+0x10/0x10
[ 5382.724884][T23958]  ? ksys_write+0xf8/0x1d0
[ 5382.725059][T23958]  ? __pfx_ksys_write+0x10/0x10
[ 5382.725231][T23958]  ? do_user_addr_fault+0x374/0xe30
[ 5382.725415][T23958]  __x64_sys_sendto+0xe0/0x1c0
[ 5382.725589][T23958]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 5382.725810][T23958]  do_syscall_64+0xc1/0x1d0
[ 5382.725989][T23958]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 5382.726199][T23958] RIP: 0033:0x7f4d7fdd5a4a
[ 5382.726373][T23958] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[ 5382.726956][T23958] RSP: 002b:00007ffc03bf8e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 5382.727216][T23958] RAX: ffffffffffffffda RBX: 000000001a711ec0 RCX: 00007f4d7fdd5a4a
[ 5382.727473][T23958] RDX: 0000000000000050 RSI: 000000001a712190 RDI: 0000000000000005
[ 5382.727724][T23958] RBP: 000000001a711ec0 R08: 00007ffc03bf8e70 R09: 000000000000001c
[ 5382.727979][T23958] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000050
[ 5382.728234][T23958] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[ 5382.728500][T23958]  </TASK>