[ 1297.307108][T17708] [ 1297.307307][T17708] ============================= [ 1297.307576][T17708] WARNING: suspicious RCU usage [ 1297.307832][T17708] 6.12.0-virtme #1 Not tainted [ 1297.308096][T17708] ----------------------------- [ 1297.308360][T17708] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1297.308767][T17708] [ 1297.308767][T17708] other info that might help us debug this: [ 1297.308767][T17708] [ 1297.309283][T17708] [ 1297.309283][T17708] rcu_scheduler_active = 2, debug_locks = 1 [ 1297.309691][T17708] no locks held by smcrouted/17708. [ 1297.309957][T17708] [ 1297.309957][T17708] stack backtrace: [ 1297.310281][T17708] CPU: 0 UID: 0 PID: 17708 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 1297.310678][T17708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1297.311002][T17708] Call Trace: [ 1297.311218][T17708] [ 1297.311368][T17708] dump_stack_lvl+0xb0/0xd0 [ 1297.311647][T17708] lockdep_rcu_suspicious+0x1ea/0x280 [ 1297.311918][T17708] ip6mr_get_table+0x142/0x190 [ 1297.312189][T17708] ip6_mroute_setsockopt+0x185/0x12d0 [ 1297.312459][T17708] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1297.312797][T17708] ? __lock_release+0x103/0x460 [ 1297.313063][T17708] ? __might_fault+0x11b/0x170 [ 1297.313343][T17708] ? trace_lock_acquire+0x14d/0x1f0 [ 1297.313620][T17708] ? __might_fault+0xc3/0x170 [ 1297.313886][T17708] ? lock_acquire+0x32/0xc0 [ 1297.314146][T17708] ? __might_fault+0xc3/0x170 [ 1297.314411][T17708] ? __might_fault+0x11b/0x170 [ 1297.314686][T17708] do_ipv6_setsockopt+0x705/0x34e0 [ 1297.314963][T17708] ? validate_chain+0x160/0xae0 [ 1297.315229][T17708] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1297.315499][T17708] ? __pfx_validate_chain+0x10/0x10 [ 1297.315762][T17708] ? hlock_class+0x4e/0x130 [ 1297.316150][T17708] ? mark_lock+0x38/0x3e0 [ 1297.316363][T17708] ? __lock_acquire+0xb9a/0x1680 [ 1297.316642][T17708] ? find_held_lock+0x2c/0x110 [ 1297.316920][T17708] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1297.317255][T17708] ? ipv6_setsockopt+0x7f/0xe0 [ 1297.317526][T17708] ipv6_setsockopt+0x7f/0xe0 [ 1297.317798][T17708] rawv6_setsockopt+0xb7/0x550 [ 1297.318068][T17708] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1297.318341][T17708] ? find_held_lock+0x2c/0x110 [ 1297.318608][T17708] ? kfree+0x2d/0x340 [ 1297.318806][T17708] ? __lock_release+0x103/0x460 [ 1297.319067][T17708] ? fd_install+0x1d1/0x5a0 [ 1297.319338][T17708] do_sock_setsockopt+0x149/0x3a0 [ 1297.319606][T17708] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1297.319894][T17708] __sys_setsockopt+0xec/0x160 [ 1297.320172][T17708] __x64_sys_setsockopt+0xbd/0x160 [ 1297.320434][T17708] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1297.320768][T17708] do_syscall_64+0xc1/0x1d0 [ 1297.321037][T17708] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1297.321366][T17708] RIP: 0033:0x7f2806e8791e [ 1297.321644][T17708] 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 [ 1297.322533][T17708] RSP: 002b:00007ffdd5f32818 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1297.322934][T17708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2806e8791e [ 1297.323336][T17708] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1297.323590][T17708] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1297.323853][T17708] R10: 00007ffdd5f3283c R11: 0000000000000246 R12: 0000000000000000 [ 1297.324126][T17708] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f2806f8c000 [ 1297.324533][T17708] [ 1297.329341][T17708] veth0: entered allmulticast mode [ 1297.330261][T17708] veth1: entered allmulticast mode [ 1297.331246][T17708] veth2: entered allmulticast mode [ 1297.331829][T17708] veth3: entered allmulticast mode [ 1309.083983][T17795] GACT probability NOT on [ 1316.392914][T17708] veth0: left allmulticast mode [ 1316.393303][T17708] veth1: left allmulticast mode [ 1316.393548][T17708] veth2: left allmulticast mode [ 1316.393783][T17708] veth3: left allmulticast mode