[ 1340.148750][T17658] [ 1340.148900][T17658] ============================= [ 1340.149062][T17658] WARNING: suspicious RCU usage [ 1340.149287][T17658] 6.12.0-virtme #1 Not tainted [ 1340.149454][T17658] ----------------------------- [ 1340.149629][T17658] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1340.149875][T17658] [ 1340.149875][T17658] other info that might help us debug this: [ 1340.149875][T17658] [ 1340.150198][T17658] [ 1340.150198][T17658] rcu_scheduler_active = 2, debug_locks = 1 [ 1340.150565][T17658] no locks held by smcrouted/17658. [ 1340.150749][T17658] [ 1340.150749][T17658] stack backtrace: [ 1340.150965][T17658] CPU: 0 UID: 0 PID: 17658 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 1340.151230][T17658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1340.151445][T17658] Call Trace: [ 1340.151580][T17658] [ 1340.151682][T17658] dump_stack_lvl+0xb0/0xd0 [ 1340.151863][T17658] lockdep_rcu_suspicious+0x1ea/0x280 [ 1340.152043][T17658] ip6mr_get_table+0x142/0x190 [ 1340.152214][T17658] ip6_mroute_setsockopt+0x185/0x12d0 [ 1340.152387][T17658] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1340.152609][T17658] ? __lock_release+0x103/0x460 [ 1340.152779][T17658] ? __might_fault+0x11b/0x170 [ 1340.152954][T17658] ? trace_lock_acquire+0x14d/0x1f0 [ 1340.153137][T17658] ? __might_fault+0xc3/0x170 [ 1340.153307][T17658] ? lock_acquire+0x32/0xc0 [ 1340.153475][T17658] ? __might_fault+0xc3/0x170 [ 1340.153646][T17658] ? __might_fault+0x11b/0x170 [ 1340.153831][T17658] do_ipv6_setsockopt+0x705/0x34e0 [ 1340.154006][T17658] ? validate_chain+0x160/0xae0 [ 1340.154178][T17658] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1340.154353][T17658] ? __pfx_validate_chain+0x10/0x10 [ 1340.154522][T17658] ? hlock_class+0x4e/0x130 [ 1340.154695][T17658] ? mark_lock+0x38/0x3e0 [ 1340.154830][T17658] ? __lock_acquire+0xb9a/0x1680 [ 1340.155010][T17658] ? find_held_lock+0x2c/0x110 [ 1340.155183][T17658] ? __lock_release+0x103/0x460 [ 1340.155357][T17658] ? __create_object+0x5e/0xb0 [ 1340.155531][T17658] ? __pfx___lock_release+0x10/0x10 [ 1340.155700][T17658] ? __pfx_validate_chain+0x10/0x10 [ 1340.155868][T17658] ? hlock_class+0x4e/0x130 [ 1340.156036][T17658] ? mark_lock+0x38/0x3e0 [ 1340.156173][T17658] ? ipv6_setsockopt+0x7f/0xe0 [ 1340.156342][T17658] ipv6_setsockopt+0x7f/0xe0 [ 1340.156513][T17658] rawv6_setsockopt+0xb7/0x550 [ 1340.156689][T17658] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1340.156846][T17658] ? find_held_lock+0x2c/0x110 [ 1340.157013][T17658] ? kfree+0x2d/0x340 [ 1340.157129][T17658] ? __lock_release+0x103/0x460 [ 1340.157281][T17658] ? fd_install+0x1d1/0x5a0 [ 1340.157440][T17658] do_sock_setsockopt+0x149/0x3a0 [ 1340.157601][T17658] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1340.157769][T17658] __sys_setsockopt+0xec/0x160 [ 1340.157941][T17658] __x64_sys_setsockopt+0xbd/0x160 [ 1340.158104][T17658] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1340.158301][T17658] do_syscall_64+0xc1/0x1d0 [ 1340.158459][T17658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1340.158661][T17658] RIP: 0033:0x7f9035db191e [ 1340.158835][T17658] 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 [ 1340.159397][T17658] RSP: 002b:00007fff482fbb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1340.159641][T17658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9035db191e [ 1340.159871][T17658] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1340.160101][T17658] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1340.160330][T17658] R10: 00007fff482fbb9c R11: 0000000000000246 R12: 0000000000000000 [ 1340.160566][T17658] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9035eb6000 [ 1340.160809][T17658] [ 1340.165709][T17658] veth0: entered allmulticast mode [ 1340.166377][T17658] veth1: entered allmulticast mode [ 1340.166715][T17658] veth2: entered allmulticast mode [ 1340.167044][T17658] veth3: entered allmulticast mode [ 1357.639231][T17658] veth0: left allmulticast mode [ 1357.639649][T17658] veth1: left allmulticast mode [ 1357.639901][T17658] veth2: left allmulticast mode [ 1357.640144][T17658] veth3: left allmulticast mode