[ 1318.705657][T10542] 
[ 1318.705802][T10542] =============================
[ 1318.705967][T10542] WARNING: suspicious RCU usage
[ 1318.706123][T10542] 6.12.0-rc7-virtme #1 Not tainted
[ 1318.706294][T10542] -----------------------------
[ 1318.706461][T10542] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1318.706691][T10542] 
[ 1318.706691][T10542] other info that might help us debug this:
[ 1318.706691][T10542] 
[ 1318.707000][T10542] 
[ 1318.707000][T10542] rcu_scheduler_active = 2, debug_locks = 1
[ 1318.707239][T10542] no locks held by smcrouted/10542.
[ 1318.707399][T10542] 
[ 1318.707399][T10542] stack backtrace:
[ 1318.707602][T10542] CPU: 3 UID: 0 PID: 10542 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1
[ 1318.707880][T10542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1318.708088][T10542] Call Trace:
[ 1318.708210][T10542]  <TASK>
[ 1318.708298][T10542]  dump_stack_lvl+0xb0/0xd0
[ 1318.708470][T10542]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1318.708640][T10542]  ip6mr_get_table+0x142/0x190
[ 1318.708813][T10542]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1318.708973][T10542]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1318.709177][T10542]  ? __lock_release+0x103/0x460
[ 1318.709336][T10542]  ? __might_fault+0x11b/0x170
[ 1318.709497][T10542]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.709659][T10542]  ? __might_fault+0xc3/0x170
[ 1318.709812][T10542]  ? lock_acquire+0x32/0xc0
[ 1318.709964][T10542]  ? __might_fault+0xc3/0x170
[ 1318.710121][T10542]  ? __might_fault+0x11b/0x170
[ 1318.710295][T10542]  do_ipv6_setsockopt+0x705/0x34e0
[ 1318.710459][T10542]  ? __lock_release+0x10/0x460
[ 1318.710617][T10542]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1318.710774][T10542]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1318.710937][T10542]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1318.711094][T10542]  ? validate_chain+0x1fe/0xae0
[ 1318.711252][T10542]  ? is_bpf_text_address+0x67/0x120
[ 1318.711421][T10542]  ? __pfx_validate_chain+0x10/0x10
[ 1318.711577][T10542]  ? hlock_class+0x4e/0x130
[ 1318.711737][T10542]  ? mark_lock+0x38/0x3e0
[ 1318.711861][T10542]  ? __lock_acquire+0xb3f/0x1580
[ 1318.712028][T10542]  ? find_held_lock+0x2c/0x110
[ 1318.712191][T10542]  ? ipv6_setsockopt+0x7f/0xe0
[ 1318.712349][T10542]  ipv6_setsockopt+0x7f/0xe0
[ 1318.712507][T10542]  rawv6_setsockopt+0xb7/0x550
[ 1318.712665][T10542]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1318.712816][T10542]  ? __lock_acquire+0xb3f/0x1580
[ 1318.712976][T10542]  ? kfree+0x2d/0x340
[ 1318.713112][T10542]  do_sock_setsockopt+0x149/0x3a0
[ 1318.713276][T10542]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1318.713430][T10542]  ? __lock_release+0x103/0x460
[ 1318.713585][T10542]  ? fd_install+0x1d1/0x5a0
[ 1318.713751][T10542]  ? trace_lock_acquire+0x14d/0x1f0
[ 1318.713912][T10542]  ? fdget+0x52/0x1e0
[ 1318.714035][T10542]  __sys_setsockopt+0x104/0x1a0
[ 1318.714194][T10542]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1318.714354][T10542]  ? __sys_socket+0x168/0x1e0
[ 1318.714514][T10542]  ? __pfx___sys_socket+0x10/0x10
[ 1318.714671][T10542]  ? do_user_addr_fault+0x374/0xe30
[ 1318.714832][T10542]  __x64_sys_setsockopt+0xbd/0x160
[ 1318.714991][T10542]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1318.715190][T10542]  do_syscall_64+0xc1/0x1d0
[ 1318.715354][T10542]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1318.715550][T10542] RIP: 0033:0x7f9fb10b191e
[ 1318.715733][T10542] 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
[ 1318.716282][T10542] RSP: 002b:00007ffc6ada2478 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1318.716526][T10542] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9fb10b191e
[ 1318.716762][T10542] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1318.717003][T10542] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1318.717237][T10542] R10: 00007ffc6ada249c R11: 0000000000000246 R12: 0000000000000000
[ 1318.717472][T10542] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9fb11b6000
[ 1318.717728][T10542]  </TASK>
[ 1318.720224][T10542] veth0: entered allmulticast mode
[ 1318.720788][T10542] veth1: entered allmulticast mode
[ 1318.721119][T10542] veth2: entered allmulticast mode
[ 1318.721457][T10542] veth3: entered allmulticast mode
[ 1318.721774][T10542] veth4: entered allmulticast mode
[ 1318.722084][T10542] veth5: entered allmulticast mode
[ 1344.394338][T10542] veth0: left allmulticast mode
[ 1344.394706][T10542] veth1: left allmulticast mode
[ 1344.394963][T10542] veth2: left allmulticast mode
[ 1344.395219][T10542] veth3: left allmulticast mode
[ 1344.395480][T10542] veth4: left allmulticast mode
[ 1344.395736][T10542] veth5: left allmulticast mode