[   10.597195][  T280] 
[   10.597339][  T280] =============================
[   10.597502][  T280] WARNING: suspicious RCU usage
[   10.597664][  T280] 6.12.0-virtme #1 Not tainted
[   10.597826][  T280] -----------------------------
[   10.598075][  T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[   10.598303][  T280] 
[   10.598303][  T280] other info that might help us debug this:
[   10.598303][  T280] 
[   10.598615][  T280] 
[   10.598615][  T280] rcu_scheduler_active = 2, debug_locks = 1
[   10.598847][  T280] no locks held by smcrouted/280.
[   10.599000][  T280] 
[   10.599000][  T280] stack backtrace:
[   10.599196][  T280] CPU: 3 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-virtme #1
[   10.599445][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.599651][  T280] Call Trace:
[   10.599777][  T280]  <TASK>
[   10.599868][  T280]  dump_stack_lvl+0xb0/0xd0
[   10.600045][  T280]  lockdep_rcu_suspicious+0x1ea/0x280
[   10.600217][  T280]  ip6mr_get_table+0x142/0x190
[   10.600382][  T280]  ip6_mroute_setsockopt+0x185/0x12d0
[   10.600555][  T280]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[   10.600766][  T280]  ? __lock_release+0x103/0x460
[   10.600932][  T280]  ? __might_fault+0x11b/0x170
[   10.601102][  T280]  ? trace_lock_acquire+0x14d/0x1f0
[   10.601275][  T280]  ? __might_fault+0xc3/0x170
[   10.601440][  T280]  ? lock_acquire+0x32/0xc0
[   10.601605][  T280]  ? __might_fault+0xc3/0x170
[   10.601770][  T280]  ? __might_fault+0x11b/0x170
[   10.601947][  T280]  do_ipv6_setsockopt+0x705/0x34e0
[   10.602120][  T280]  ? validate_chain+0x160/0xae0
[   10.602291][  T280]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[   10.602462][  T280]  ? __pfx_validate_chain+0x10/0x10
[   10.602630][  T280]  ? hlock_class+0x4e/0x130
[   10.602795][  T280]  ? mark_lock+0x38/0x3e0
[   10.602932][  T280]  ? __lock_acquire+0xb9a/0x1680
[   10.603111][  T280]  ? find_held_lock+0x2c/0x110
[   10.603286][  T280]  ? __lock_release+0x103/0x460
[   10.603453][  T280]  ? __create_object+0x5e/0xb0
[   10.603623][  T280]  ? __pfx___lock_release+0x10/0x10
[   10.603792][  T280]  ? __pfx_validate_chain+0x10/0x10
[   10.603964][  T280]  ? hlock_class+0x4e/0x130
[   10.604135][  T280]  ? mark_lock+0x38/0x3e0
[   10.604270][  T280]  ? ipv6_setsockopt+0x7f/0xe0
[   10.604438][  T280]  ipv6_setsockopt+0x7f/0xe0
[   10.604609][  T280]  rawv6_setsockopt+0xb7/0x550
[   10.604783][  T280]  ? __pfx_rawv6_setsockopt+0x10/0x10
[   10.604953][  T280]  ? find_held_lock+0x2c/0x110
[   10.605123][  T280]  ? kfree+0x2d/0x340
[   10.605251][  T280]  ? __lock_release+0x103/0x460
[   10.605432][  T280]  ? fd_install+0x1d1/0x5a0
[   10.605611][  T280]  do_sock_setsockopt+0x149/0x3a0
[   10.605784][  T280]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   10.605969][  T280]  __sys_setsockopt+0xec/0x160
[   10.606148][  T280]  __x64_sys_setsockopt+0xbd/0x160
[   10.606320][  T280]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   10.606532][  T280]  do_syscall_64+0xc1/0x1d0
[   10.606706][  T280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   10.606916][  T280] RIP: 0033:0x7f45f687991e
[   10.607095][  T280] 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
[   10.607693][  T280] RSP: 002b:00007fffdc723088 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   10.607956][  T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45f687991e
[   10.608214][  T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[   10.608467][  T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[   10.608721][  T280] R10: 00007fffdc7230ac R11: 0000000000000246 R12: 0000000000000000
[   10.608971][  T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f45f697e000
[   10.609236][  T280]  </TASK>
[   10.611826][  T280] veth0: entered allmulticast mode
[   10.612456][  T280] veth1: entered allmulticast mode
[   10.612930][  T280] veth2: entered allmulticast mode
[   10.613257][  T280] veth3: entered allmulticast mode
[   21.777060][  T368] GACT probability NOT on
[   26.605059][  T484] ip (484) used greatest stack depth: 24144 bytes left
[   28.414572][  T280] veth0: left allmulticast mode
[   28.414931][  T280] veth1: left allmulticast mode
[   28.415157][  T280] veth2: left allmulticast mode
[   28.415415][  T280] veth3: left allmulticast mode