[ 1294.560415][T10213] 
[ 1294.560559][T10213] =============================
[ 1294.560728][T10213] WARNING: suspicious RCU usage
[ 1294.560886][T10213] 6.12.0-rc6-virtme #1 Not tainted
[ 1294.561043][T10213] -----------------------------
[ 1294.561198][T10213] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1294.561456][T10213] 
[ 1294.561456][T10213] other info that might help us debug this:
[ 1294.561456][T10213] 
[ 1294.561785][T10213] 
[ 1294.561785][T10213] rcu_scheduler_active = 2, debug_locks = 1
[ 1294.562044][T10213] no locks held by smcrouted/10213.
[ 1294.562214][T10213] 
[ 1294.562214][T10213] stack backtrace:
[ 1294.562442][T10213] CPU: 3 UID: 0 PID: 10213 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1294.562753][T10213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1294.562969][T10213] Call Trace:
[ 1294.563100][T10213]  <TASK>
[ 1294.563197][T10213]  dump_stack_lvl+0xb0/0xd0
[ 1294.563383][T10213]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1294.563568][T10213]  ip6mr_get_table+0x142/0x190
[ 1294.563744][T10213]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1294.563939][T10213]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1294.564159][T10213]  ? __lock_release+0x103/0x460
[ 1294.564328][T10213]  ? __might_fault+0x11b/0x170
[ 1294.564502][T10213]  ? trace_lock_acquire+0x14d/0x1f0
[ 1294.564685][T10213]  ? __might_fault+0xc3/0x170
[ 1294.564852][T10213]  ? lock_acquire+0x32/0xc0
[ 1294.565023][T10213]  ? __might_fault+0xc3/0x170
[ 1294.565195][T10213]  ? __might_fault+0x11b/0x170
[ 1294.565383][T10213]  do_ipv6_setsockopt+0x705/0x34e0
[ 1294.565864][T10213]  ? __lock_release+0xe0/0x460
[ 1294.566037][T10213]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1294.566221][T10213]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1294.566405][T10213]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1294.566652][T10213]  ? validate_chain+0x1fe/0xae0
[ 1294.566812][T10213]  ? is_bpf_text_address+0x67/0x120
[ 1294.566979][T10213]  ? __pfx_validate_chain+0x10/0x10
[ 1294.567134][T10213]  ? hlock_class+0x4e/0x130
[ 1294.567291][T10213]  ? mark_lock+0x38/0x3e0
[ 1294.567419][T10213]  ? __lock_acquire+0xb3f/0x1580
[ 1294.567589][T10213]  ? find_held_lock+0x2c/0x110
[ 1294.567771][T10213]  ? ipv6_setsockopt+0x7f/0xe0
[ 1294.567938][T10213]  ipv6_setsockopt+0x7f/0xe0
[ 1294.568098][T10213]  rawv6_setsockopt+0xb7/0x550
[ 1294.568265][T10213]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1294.568431][T10213]  ? __lock_acquire+0xb3f/0x1580
[ 1294.568596][T10213]  ? kfree+0x2d/0x340
[ 1294.568731][T10213]  do_sock_setsockopt+0x149/0x3a0
[ 1294.568893][T10213]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1294.569055][T10213]  ? __lock_release+0x103/0x460
[ 1294.569218][T10213]  ? fd_install+0x1d1/0x5a0
[ 1294.569389][T10213]  ? trace_lock_acquire+0x14d/0x1f0
[ 1294.569551][T10213]  ? fdget+0x52/0x1e0
[ 1294.569721][T10213]  __sys_setsockopt+0x104/0x1a0
[ 1294.569905][T10213]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1294.570076][T10213]  ? __sys_socket+0x168/0x1e0
[ 1294.570250][T10213]  ? __pfx___sys_socket+0x10/0x10
[ 1294.570427][T10213]  ? do_user_addr_fault+0x374/0xe30
[ 1294.570605][T10213]  __x64_sys_setsockopt+0xbd/0x160
[ 1294.570776][T10213]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1294.570985][T10213]  do_syscall_64+0xc1/0x1d0
[ 1294.571153][T10213]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1294.571371][T10213] RIP: 0033:0x7f06f33f391e
[ 1294.571552][T10213] 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
[ 1294.572160][T10213] RSP: 002b:00007fff22856288 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1294.572425][T10213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06f33f391e
[ 1294.572689][T10213] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1294.572951][T10213] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1294.573208][T10213] R10: 00007fff228562ac R11: 0000000000000246 R12: 0000000000000000
[ 1294.573465][T10213] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f06f34f8000
[ 1294.573746][T10213]  </TASK>
[ 1294.576524][T10213] veth0: entered allmulticast mode
[ 1294.577454][T10213] veth1: entered allmulticast mode
[ 1294.578017][T10213] veth2: entered allmulticast mode
[ 1294.578590][T10213] veth3: entered allmulticast mode
[ 1313.590773][T10213] veth0: left allmulticast mode
[ 1313.591113][T10213] veth1: left allmulticast mode
[ 1313.591411][T10213] veth2: left allmulticast mode
[ 1313.591679][T10213] veth3: left allmulticast mode