[ 1318.671123][ T8001] 
[ 1318.671260][ T8001] =============================
[ 1318.671439][ T8001] WARNING: suspicious RCU usage
[ 1318.671603][ T8001] 6.12.0-rc7-virtme #1 Not tainted
[ 1318.671859][ T8001] -----------------------------
[ 1318.672016][ T8001] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1318.672253][ T8001] 
[ 1318.672253][ T8001] other info that might help us debug this:
[ 1318.672253][ T8001] 
[ 1318.673385][ T8001] 
[ 1318.673385][ T8001] rcu_scheduler_active = 2, debug_locks = 1
[ 1318.673637][ T8001] no locks held by smcrouted/8001.
[ 1318.673811][ T8001] 
[ 1318.673811][ T8001] stack backtrace:
[ 1318.674003][ T8001] CPU: 0 UID: 0 PID: 8001 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1318.674299][ T8001] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1318.674524][ T8001] Call Trace:
[ 1318.674649][ T8001]  <TASK>
[ 1318.674738][ T8001]  dump_stack_lvl+0xb0/0xd0
[ 1318.674907][ T8001]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1318.675072][ T8001]  ip6mr_get_table+0x142/0x190
[ 1318.675238][ T8001]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1318.675404][ T8001]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1318.675615][ T8001]  ? __lock_release+0x103/0x460
[ 1318.675784][ T8001]  ? __might_fault+0x11b/0x170
[ 1318.675949][ T8001]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.676137][ T8001]  ? __might_fault+0xc3/0x170
[ 1318.676300][ T8001]  ? lock_acquire+0x32/0xc0
[ 1318.676456][ T8001]  ? __might_fault+0xc3/0x170
[ 1318.676613][ T8001]  ? __might_fault+0x11b/0x170
[ 1318.676776][ T8001]  do_ipv6_setsockopt+0x705/0x34e0
[ 1318.676941][ T8001]  ? __lock_release+0x10/0x460
[ 1318.677100][ T8001]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1318.677260][ T8001]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1318.677438][ T8001]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1318.677601][ T8001]  ? validate_chain+0x1fe/0xae0
[ 1318.677760][ T8001]  ? is_bpf_text_address+0x67/0x120
[ 1318.677923][ T8001]  ? __pfx_validate_chain+0x10/0x10
[ 1318.678079][ T8001]  ? hlock_class+0x4e/0x130
[ 1318.678239][ T8001]  ? mark_lock+0x38/0x3e0
[ 1318.678363][ T8001]  ? __lock_acquire+0xb3f/0x1580
[ 1318.678535][ T8001]  ? find_held_lock+0x2c/0x110
[ 1318.678702][ T8001]  ? ipv6_setsockopt+0x7f/0xe0
[ 1318.678863][ T8001]  ipv6_setsockopt+0x7f/0xe0
[ 1318.679025][ T8001]  rawv6_setsockopt+0xb7/0x550
[ 1318.679185][ T8001]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1318.679340][ T8001]  ? __lock_acquire+0xb3f/0x1580
[ 1318.679500][ T8001]  ? kfree+0x2d/0x340
[ 1318.679627][ T8001]  do_sock_setsockopt+0x149/0x3a0
[ 1318.679785][ T8001]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1318.679947][ T8001]  ? __lock_release+0x103/0x460
[ 1318.680103][ T8001]  ? fd_install+0x1d1/0x5a0
[ 1318.680265][ T8001]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.680427][ T8001]  ? fdget+0x52/0x1e0
[ 1318.680551][ T8001]  __sys_setsockopt+0x104/0x1a0
[ 1318.680713][ T8001]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1318.680871][ T8001]  ? __sys_socket+0x168/0x1e0
[ 1318.681033][ T8001]  ? __pfx___sys_socket+0x10/0x10
[ 1318.681194][ T8001]  ? do_user_addr_fault+0x374/0xe30
[ 1318.681356][ T8001]  __x64_sys_setsockopt+0xbd/0x160
[ 1318.681514][ T8001]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1318.681712][ T8001]  do_syscall_64+0xc1/0x1d0
[ 1318.681873][ T8001]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1318.682075][ T8001] RIP: 0033:0x7f040918d91e
[ 1318.682242][ T8001] 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
[ 1318.682799][ T8001] RSP: 002b:00007ffeb0a85458 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1318.683057][ T8001] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f040918d91e
[ 1318.683321][ T8001] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1318.683567][ T8001] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1318.683818][ T8001] R10: 00007ffeb0a8547c R11: 0000000000000246 R12: 0000000000000000
[ 1318.684059][ T8001] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0409292000
[ 1318.684310][ T8001]  </TASK>
[ 1318.687830][ T8001] veth0: entered allmulticast mode
[ 1318.689034][ T8001] veth1: entered allmulticast mode
[ 1318.690170][ T8001] veth2: entered allmulticast mode
[ 1318.690573][ T8001] veth3: entered allmulticast mode
[ 1318.690888][ T8001] veth4: entered allmulticast mode
[ 1318.691201][ T8001] veth5: entered allmulticast mode
[ 1344.871427][ T8001] veth0: left allmulticast mode
[ 1344.871744][ T8001] veth1: left allmulticast mode
[ 1344.872001][ T8001] veth2: left allmulticast mode
[ 1344.872247][ T8001] veth3: left allmulticast mode
[ 1344.872536][ T8001] veth4: left allmulticast mode
[ 1344.872850][ T8001] veth5: left allmulticast mode