[ 1274.995923][T15854] 
[ 1274.996123][T15854] =============================
[ 1274.996287][T15854] WARNING: suspicious RCU usage
[ 1274.996465][T15854] 6.12.0-virtme #1 Not tainted
[ 1274.996644][T15854] -----------------------------
[ 1274.996811][T15854] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1274.997199][T15854] 
[ 1274.997199][T15854] other info that might help us debug this:
[ 1274.997199][T15854] 
[ 1274.997789][T15854] 
[ 1274.997789][T15854] rcu_scheduler_active = 2, debug_locks = 1
[ 1274.998054][T15854] no locks held by smcrouted/15854.
[ 1274.998220][T15854] 
[ 1274.998220][T15854] stack backtrace:
[ 1274.998424][T15854] CPU: 3 UID: 0 PID: 15854 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1274.998670][T15854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1274.998885][T15854] Call Trace:
[ 1274.999008][T15854]  <TASK>
[ 1274.999101][T15854]  dump_stack_lvl+0xb0/0xd0
[ 1274.999282][T15854]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1274.999453][T15854]  ip6mr_get_table+0x142/0x190
[ 1274.999637][T15854]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1274.999811][T15854]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1275.000024][T15854]  ? __lock_release+0x103/0x460
[ 1275.000195][T15854]  ? __might_fault+0x11b/0x170
[ 1275.000364][T15854]  ? trace_lock_acquire+0x14d/0x1f0
[ 1275.000524][T15854]  ? __might_fault+0xc3/0x170
[ 1275.000688][T15854]  ? lock_acquire+0x32/0xc0
[ 1275.000866][T15854]  ? __might_fault+0xc3/0x170
[ 1275.001039][T15854]  ? __might_fault+0x11b/0x170
[ 1275.001209][T15854]  do_ipv6_setsockopt+0x705/0x34e0
[ 1275.001375][T15854]  ? validate_chain+0x130/0xae0
[ 1275.001538][T15854]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1275.001721][T15854]  ? __pfx_validate_chain+0x10/0x10
[ 1275.001898][T15854]  ? hlock_class+0x4e/0x130
[ 1275.002058][T15854]  ? mark_lock+0x38/0x3e0
[ 1275.002185][T15854]  ? __lock_acquire+0xb9a/0x1680
[ 1275.002355][T15854]  ? find_held_lock+0x2c/0x110
[ 1275.002520][T15854]  ? __lock_release+0x103/0x460
[ 1275.002673][T15854]  ? __create_object+0x5e/0xb0
[ 1275.002840][T15854]  ? __pfx___lock_release+0x10/0x10
[ 1275.003076][T15854]  ? __pfx_validate_chain+0x10/0x10
[ 1275.003245][T15854]  ? hlock_class+0x4e/0x130
[ 1275.003407][T15854]  ? mark_lock+0x38/0x3e0
[ 1275.003535][T15854]  ? ipv6_setsockopt+0x7f/0xe0
[ 1275.003700][T15854]  ipv6_setsockopt+0x7f/0xe0
[ 1275.003872][T15854]  rawv6_setsockopt+0xb7/0x550
[ 1275.004038][T15854]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1275.004193][T15854]  ? find_held_lock+0x2c/0x110
[ 1275.004353][T15854]  ? kfree+0x2d/0x340
[ 1275.004478][T15854]  ? __lock_release+0x103/0x460
[ 1275.004633][T15854]  ? fd_install+0x1d1/0x5a0
[ 1275.004800][T15854]  do_sock_setsockopt+0x149/0x3a0
[ 1275.004973][T15854]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1275.005146][T15854]  __sys_setsockopt+0xec/0x160
[ 1275.005338][T15854]  __x64_sys_setsockopt+0xbd/0x160
[ 1275.005495][T15854]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1275.005691][T15854]  do_syscall_64+0xc1/0x1d0
[ 1275.005860][T15854]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1275.006064][T15854] RIP: 0033:0x7f715b2aa91e
[ 1275.006230][T15854] 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
[ 1275.006783][T15854] RSP: 002b:00007ffffd8df6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1275.007106][T15854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f715b2aa91e
[ 1275.007348][T15854] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1275.007590][T15854] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1275.007821][T15854] R10: 00007ffffd8df6cc R11: 0000000000000246 R12: 0000000000000000
[ 1275.008072][T15854] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f715b3af000
[ 1275.008322][T15854]  </TASK>
[ 1275.010643][T15854] veth0: entered allmulticast mode
[ 1275.011190][T15854] veth1: entered allmulticast mode
[ 1275.012337][T15854] veth2: entered allmulticast mode
[ 1275.012701][T15854] veth3: entered allmulticast mode
[ 1293.593293][T15854] veth0: left allmulticast mode
[ 1293.593780][T15854] veth1: left allmulticast mode
[ 1293.594178][T15854] veth2: left allmulticast mode
[ 1293.594589][T15854] veth3: left allmulticast mode