[ 1328.960882][T15466] 
[ 1328.961024][T15466] =============================
[ 1328.961193][T15466] WARNING: suspicious RCU usage
[ 1328.961560][T15466] 6.12.0-rc6-virtme #1 Not tainted
[ 1328.961719][T15466] -----------------------------
[ 1328.961881][T15466] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1328.962129][T15466] 
[ 1328.962129][T15466] other info that might help us debug this:
[ 1328.962129][T15466] 
[ 1328.962469][T15466] 
[ 1328.962469][T15466] rcu_scheduler_active = 2, debug_locks = 1
[ 1328.962714][T15466] no locks held by smcrouted/15466.
[ 1328.962876][T15466] 
[ 1328.962876][T15466] stack backtrace:
[ 1328.963150][T15466] CPU: 0 UID: 0 PID: 15466 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1
[ 1328.963432][T15466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1328.963638][T15466] Call Trace:
[ 1328.963768][T15466]  <TASK>
[ 1328.963857][T15466]  dump_stack_lvl+0xb0/0xd0
[ 1328.964026][T15466]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1328.964190][T15466]  ip6mr_get_table+0x142/0x190
[ 1328.964355][T15466]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1328.964514][T15466]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1328.964716][T15466]  ? __lock_release+0x103/0x460
[ 1328.964873][T15466]  ? __might_fault+0x11b/0x170
[ 1328.965033][T15466]  ? trace_lock_acquire+0x14d/0x1f0
[ 1328.965194][T15466]  ? __might_fault+0xc3/0x170
[ 1328.965348][T15466]  ? lock_acquire+0x32/0xc0
[ 1328.965504][T15466]  ? __might_fault+0xc3/0x170
[ 1328.965663][T15466]  ? __might_fault+0x11b/0x170
[ 1328.965830][T15466]  do_ipv6_setsockopt+0x705/0x34e0
[ 1328.965990][T15466]  ? __lock_release+0xe0/0x460
[ 1328.966150][T15466]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1328.966308][T15466]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1328.966466][T15466]  ? rcu_read_lock_any_held+0x43/0xb0
[ 1328.966621][T15466]  ? validate_chain+0x1fe/0xae0
[ 1328.966786][T15466]  ? is_bpf_text_address+0x67/0x120
[ 1328.966961][T15466]  ? __pfx_validate_chain+0x10/0x10
[ 1328.967122][T15466]  ? hlock_class+0x4e/0x130
[ 1328.967278][T15466]  ? mark_lock+0x38/0x3e0
[ 1328.967408][T15466]  ? __lock_acquire+0xb3f/0x1580
[ 1328.967579][T15466]  ? find_held_lock+0x2c/0x110
[ 1328.967755][T15466]  ? ipv6_setsockopt+0x7f/0xe0
[ 1328.967916][T15466]  ipv6_setsockopt+0x7f/0xe0
[ 1328.968079][T15466]  rawv6_setsockopt+0xb7/0x550
[ 1328.968241][T15466]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1328.968403][T15466]  ? __lock_acquire+0xb3f/0x1580
[ 1328.968568][T15466]  ? kfree+0x2d/0x340
[ 1328.968701][T15466]  do_sock_setsockopt+0x149/0x3a0
[ 1328.968868][T15466]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1328.969023][T15466]  ? __lock_release+0x103/0x460
[ 1328.969181][T15466]  ? fd_install+0x1d1/0x5a0
[ 1328.969344][T15466]  ? trace_lock_acquire+0x14d/0x1f0
[ 1328.969517][T15466]  ? fdget+0x52/0x1e0
[ 1328.969641][T15466]  __sys_setsockopt+0x104/0x1a0
[ 1328.969808][T15466]  ? __pfx___sys_setsockopt+0x10/0x10
[ 1328.969963][T15466]  ? __sys_socket+0x168/0x1e0
[ 1328.970123][T15466]  ? __pfx___sys_socket+0x10/0x10
[ 1328.970279][T15466]  ? do_user_addr_fault+0x374/0xe30
[ 1328.970444][T15466]  __x64_sys_setsockopt+0xbd/0x160
[ 1328.970604][T15466]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1328.970801][T15466]  do_syscall_64+0xc1/0x1d0
[ 1328.970960][T15466]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1328.971161][T15466] RIP: 0033:0x7fd3146ed91e
[ 1328.971335][T15466] 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
[ 1328.971906][T15466] RSP: 002b:00007fffd55fed68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1328.972148][T15466] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3146ed91e
[ 1328.972381][T15466] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1328.972618][T15466] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000
[ 1328.972867][T15466] R10: 00007fffd55fed8c R11: 0000000000000246 R12: 0000000000000000
[ 1328.973100][T15466] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fd3147f2000
[ 1328.973351][T15466]  </TASK>
[ 1328.978424][T15466] veth0: entered allmulticast mode
[ 1328.979632][T15466] veth1: entered allmulticast mode
[ 1328.980012][T15466] veth2: entered allmulticast mode
[ 1328.980411][T15466] veth3: entered allmulticast mode
[ 1328.980988][T15466] veth4: entered allmulticast mode
[ 1328.981598][T15466] veth5: entered allmulticast mode
[ 1354.980168][T15466] veth0: left allmulticast mode
[ 1354.980523][T15466] veth1: left allmulticast mode
[ 1354.980763][T15466] veth2: left allmulticast mode
[ 1354.980998][T15466] veth3: left allmulticast mode
[ 1354.981244][T15466] veth4: left allmulticast mode
[ 1354.981490][T15466] veth5: left allmulticast mode