[ 1323.740229][T14321] 
[ 1323.740415][T14321] =============================
[ 1323.740602][T14321] WARNING: suspicious RCU usage
[ 1323.740778][T14321] 6.12.0-rc6-virtme #1 Not tainted
[ 1323.740952][T14321] -----------------------------
[ 1323.741124][T14321] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1323.742184][T14321] 
[ 1323.742184][T14321] other info that might help us debug this:
[ 1323.742184][T14321] 
[ 1323.742611][T14321] 
[ 1323.742611][T14321] rcu_scheduler_active = 2, debug_locks = 1
[ 1323.742936][T14321] no locks held by smcrouted/14321.
[ 1323.743306][T14321] 
[ 1323.743306][T14321] stack backtrace:
[ 1323.743517][T14321] CPU: 2 UID: 0 PID: 14321 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1323.743794][T14321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1323.743992][T14321] Call Trace:
[ 1323.744113][T14321]  <TASK>
[ 1323.744198][T14321]  dump_stack_lvl+0xb0/0xd0
[ 1323.744366][T14321]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1323.744526][T14321]  ip6mr_get_table+0x142/0x190
[ 1323.744689][T14321]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1323.744848][T14321]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1323.745046][T14321]  ? __lock_release+0x103/0x460
[ 1323.745203][T14321]  ? __might_fault+0x11b/0x170
[ 1323.745366][T14321]  ? trace_lock_acquire+0x14d/0x1f0
[ 1323.745538][T14321]  ? __might_fault+0xc3/0x170
[ 1323.745695][T14321]  ? lock_acquire+0x32/0xc0
[ 1323.745851][T14321]  ? __might_fault+0xc3/0x170
[ 1323.746007][T14321]  ? __might_fault+0x11b/0x170
[ 1323.746167][T14321]  do_ipv6_setsockopt+0x705/0x34e0
[ 1323.746326][T14321]  ? __lock_release+0xe0/0x460
[ 1323.746483][T14321]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1323.746636][T14321]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1323.746793][T14321]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1323.746953][T14321]  ? validate_chain+0x1fe/0xae0
[ 1323.747113][T14321]  ? is_bpf_text_address+0x67/0x120
[ 1323.747281][T14321]  ? __pfx_validate_chain+0x10/0x10
[ 1323.747434][T14321]  ? hlock_class+0x4e/0x130
[ 1323.747593][T14321]  ? mark_lock+0x38/0x3e0
[ 1323.747718][T14321]  ? __lock_acquire+0xb3f/0x1580
[ 1323.747883][T14321]  ? find_held_lock+0x2c/0x110
[ 1323.748045][T14321]  ? ipv6_setsockopt+0x7f/0xe0
[ 1323.748198][T14321]  ipv6_setsockopt+0x7f/0xe0
[ 1323.748360][T14321]  rawv6_setsockopt+0xb7/0x550
[ 1323.748525][T14321]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1323.748681][T14321]  ? __lock_acquire+0xb3f/0x1580
[ 1323.748838][T14321]  ? kfree+0x2d/0x340
[ 1323.748961][T14321]  do_sock_setsockopt+0x149/0x3a0
[ 1323.749119][T14321]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1323.749276][T14321]  ? __lock_release+0x103/0x460
[ 1323.749430][T14321]  ? fd_install+0x1d1/0x5a0
[ 1323.749589][T14321]  ? trace_lock_acquire+0x14d/0x1f0
[ 1323.749753][T14321]  ? fdget+0x52/0x1e0
[ 1323.749877][T14321]  __sys_setsockopt+0x104/0x1a0
[ 1323.750034][T14321]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1323.750187][T14321]  ? __sys_socket+0x168/0x1e0
[ 1323.750348][T14321]  ? __pfx___sys_socket+0x10/0x10
[ 1323.750506][T14321]  ? do_user_addr_fault+0x374/0xe30
[ 1323.750664][T14321]  __x64_sys_setsockopt+0xbd/0x160
[ 1323.750818][T14321]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1323.751016][T14321]  do_syscall_64+0xc1/0x1d0
[ 1323.751179][T14321]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1323.751375][T14321] RIP: 0033:0x7f22f81d891e
[ 1323.751539][T14321] 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
[ 1323.752072][T14321] RSP: 002b:00007ffe2f4118d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1323.752312][T14321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f22f81d891e
[ 1323.752546][T14321] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1323.752776][T14321] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1323.753008][T14321] R10: 00007ffe2f4118fc R11: 0000000000000246 R12: 0000000000000000
[ 1323.753245][T14321] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f22f82dd000
[ 1323.753490][T14321]  </TASK>
[ 1323.766856][T14321] veth0: entered allmulticast mode
[ 1323.767808][T14321] veth1: entered allmulticast mode
[ 1323.768343][T14321] veth2: entered allmulticast mode
[ 1323.768841][T14321] veth3: entered allmulticast mode
[ 1323.769520][T14321] veth4: entered allmulticast mode
[ 1323.770057][T14321] veth5: entered allmulticast mode
[ 1348.816021][T14321] veth0: left allmulticast mode
[ 1348.816372][T14321] veth1: left allmulticast mode
[ 1348.816626][T14321] veth2: left allmulticast mode
[ 1348.816875][T14321] veth3: left allmulticast mode
[ 1348.817123][T14321] veth4: left allmulticast mode
[ 1348.817391][T14321] veth5: left allmulticast mode