[ 1262.662962][ T4318] 
[ 1262.663105][ T4318] =============================
[ 1262.663334][ T4318] WARNING: suspicious RCU usage
[ 1262.663510][ T4318] 6.12.0-rc7-virtme #1 Not tainted
[ 1262.663684][ T4318] -----------------------------
[ 1262.663859][ T4318] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1262.664169][ T4318] 
[ 1262.664169][ T4318] other info that might help us debug this:
[ 1262.664169][ T4318] 
[ 1262.664542][ T4318] 
[ 1262.664542][ T4318] rcu_scheduler_active = 2, debug_locks = 1
[ 1262.664806][ T4318] no locks held by smcrouted/4318.
[ 1262.664985][ T4318] 
[ 1262.664985][ T4318] stack backtrace:
[ 1262.665208][ T4318] CPU: 3 UID: 0 PID: 4318 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1262.665526][ T4318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1262.665762][ T4318] Call Trace:
[ 1262.665901][ T4318]  <TASK>
[ 1262.665997][ T4318]  dump_stack_lvl+0xb0/0xd0
[ 1262.666180][ T4318]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1262.666361][ T4318]  ip6mr_get_table+0x142/0x190
[ 1262.666541][ T4318]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1262.666721][ T4318]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1262.666945][ T4318]  ? __lock_release+0x103/0x460
[ 1262.667118][ T4318]  ? __might_fault+0x11b/0x170
[ 1262.667296][ T4318]  ? trace_lock_acquire+0x14d/0x1f0
[ 1262.667490][ T4318]  ? __might_fault+0xc3/0x170
[ 1262.667648][ T4318]  ? lock_acquire+0x32/0xc0
[ 1262.667805][ T4318]  ? __might_fault+0xc3/0x170
[ 1262.667960][ T4318]  ? __might_fault+0x11b/0x170
[ 1262.668125][ T4318]  do_ipv6_setsockopt+0x705/0x34e0
[ 1262.668287][ T4318]  ? __lock_release+0x40/0x460
[ 1262.668449][ T4318]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1262.668611][ T4318]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1262.668778][ T4318]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1262.668933][ T4318]  ? validate_chain+0x1fe/0xae0
[ 1262.669100][ T4318]  ? is_bpf_text_address+0x67/0x120
[ 1262.669259][ T4318]  ? __pfx_validate_chain+0x10/0x10
[ 1262.669418][ T4318]  ? hlock_class+0x4e/0x130
[ 1262.669573][ T4318]  ? mark_lock+0x38/0x3e0
[ 1262.669701][ T4318]  ? __lock_acquire+0xb3f/0x1580
[ 1262.669869][ T4318]  ? find_held_lock+0x2c/0x110
[ 1262.670038][ T4318]  ? ipv6_setsockopt+0x7f/0xe0
[ 1262.670196][ T4318]  ipv6_setsockopt+0x7f/0xe0
[ 1262.670357][ T4318]  rawv6_setsockopt+0xb7/0x550
[ 1262.670518][ T4318]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1262.670674][ T4318]  ? __lock_acquire+0xb3f/0x1580
[ 1262.670835][ T4318]  ? kfree+0x2d/0x340
[ 1262.670959][ T4318]  do_sock_setsockopt+0x149/0x3a0
[ 1262.671117][ T4318]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1262.671276][ T4318]  ? __lock_release+0x103/0x460
[ 1262.671430][ T4318]  ? fd_install+0x1d1/0x5a0
[ 1262.671592][ T4318]  ? trace_lock_acquire+0x14d/0x1f0
[ 1262.671750][ T4318]  ? fdget+0x52/0x1e0
[ 1262.671872][ T4318]  __sys_setsockopt+0x104/0x1a0
[ 1262.672037][ T4318]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1262.672194][ T4318]  ? __sys_socket+0x168/0x1e0
[ 1262.672350][ T4318]  ? __pfx___sys_socket+0x10/0x10
[ 1262.672510][ T4318]  ? do_user_addr_fault+0x374/0xe30
[ 1262.672670][ T4318]  __x64_sys_setsockopt+0xbd/0x160
[ 1262.672831][ T4318]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1262.673022][ T4318]  do_syscall_64+0xc1/0x1d0
[ 1262.673184][ T4318]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1262.673376][ T4318] RIP: 0033:0x7fd24534791e
[ 1262.673545][ T4318] 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
[ 1262.674099][ T4318] RSP: 002b:00007ffceb8a4af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1262.674355][ T4318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd24534791e
[ 1262.674590][ T4318] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1262.674844][ T4318] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1262.675088][ T4318] R10: 00007ffceb8a4b1c R11: 0000000000000246 R12: 0000000000000000
[ 1262.675327][ T4318] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd24544c000
[ 1262.675579][ T4318]  </TASK>
[ 1262.678022][ T4318] veth0: entered allmulticast mode
[ 1262.678817][ T4318] veth1: entered allmulticast mode
[ 1262.679158][ T4318] veth2: entered allmulticast mode
[ 1262.679493][ T4318] veth3: entered allmulticast mode
[ 1262.679813][ T4318] veth4: entered allmulticast mode
[ 1262.680133][ T4318] veth5: entered allmulticast mode
[ 1289.815744][ T4318] veth0: left allmulticast mode
[ 1289.816069][ T4318] veth1: left allmulticast mode
[ 1289.817073][ T4318] veth2: left allmulticast mode
[ 1289.817323][ T4318] veth3: left allmulticast mode
[ 1289.817544][ T4318] veth4: left allmulticast mode
[ 1289.817778][ T4318] veth5: left allmulticast mode