[ 1260.581324][ T4458] [ 1260.581484][ T4458] ============================= [ 1260.581668][ T4458] WARNING: suspicious RCU usage [ 1260.581836][ T4458] 6.12.0-virtme #1 Not tainted [ 1260.581997][ T4458] ----------------------------- [ 1260.582173][ T4458] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1260.582419][ T4458] [ 1260.582419][ T4458] other info that might help us debug this: [ 1260.582419][ T4458] [ 1260.582778][ T4458] [ 1260.582778][ T4458] rcu_scheduler_active = 2, debug_locks = 1 [ 1260.583020][ T4458] no locks held by smcrouted/4458. [ 1260.583209][ T4458] [ 1260.583209][ T4458] stack backtrace: [ 1260.583413][ T4458] CPU: 0 UID: 0 PID: 4458 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 1260.583696][ T4458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1260.583906][ T4458] Call Trace: [ 1260.584045][ T4458] <TASK> [ 1260.584146][ T4458] dump_stack_lvl+0xb0/0xd0 [ 1260.584332][ T4458] lockdep_rcu_suspicious+0x1ea/0x280 [ 1260.584528][ T4458] ip6mr_get_table+0x142/0x190 [ 1260.584695][ T4458] ip6_mroute_setsockopt+0x185/0x12d0 [ 1260.584875][ T4458] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1260.585106][ T4458] ? __lock_release+0x103/0x460 [ 1260.585304][ T4458] ? __might_fault+0x11b/0x170 [ 1260.585482][ T4458] ? trace_lock_acquire+0x14d/0x1f0 [ 1260.585661][ T4458] ? __might_fault+0xc3/0x170 [ 1260.585835][ T4458] ? lock_acquire+0x32/0xc0 [ 1260.586002][ T4458] ? __might_fault+0xc3/0x170 [ 1260.586180][ T4458] ? __might_fault+0x11b/0x170 [ 1260.586349][ T4458] do_ipv6_setsockopt+0x705/0x34e0 [ 1260.586537][ T4458] ? validate_chain+0x130/0xae0 [ 1260.586696][ T4458] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1260.586876][ T4458] ? __pfx_validate_chain+0x10/0x10 [ 1260.587034][ T4458] ? hlock_class+0x4e/0x130 [ 1260.587194][ T4458] ? mark_lock+0x38/0x3e0 [ 1260.587321][ T4458] ? __lock_acquire+0xb9a/0x1680 [ 1260.587484][ T4458] ? find_held_lock+0x2c/0x110 [ 1260.587649][ T4458] ? __lock_release+0x103/0x460 [ 1260.587826][ T4458] ? __create_object+0x5e/0xb0 [ 1260.587989][ T4458] ? __pfx___lock_release+0x10/0x10 [ 1260.588147][ T4458] ? __pfx_validate_chain+0x10/0x10 [ 1260.588326][ T4458] ? hlock_class+0x4e/0x130 [ 1260.588484][ T4458] ? mark_lock+0x38/0x3e0 [ 1260.588629][ T4458] ? ipv6_setsockopt+0x7f/0xe0 [ 1260.588821][ T4458] ipv6_setsockopt+0x7f/0xe0 [ 1260.588998][ T4458] rawv6_setsockopt+0xb7/0x550 [ 1260.589194][ T4458] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1260.589362][ T4458] ? find_held_lock+0x2c/0x110 [ 1260.589551][ T4458] ? kfree+0x2d/0x340 [ 1260.589681][ T4458] ? __lock_release+0x103/0x460 [ 1260.589854][ T4458] ? fd_install+0x1d1/0x5a0 [ 1260.590026][ T4458] do_sock_setsockopt+0x149/0x3a0 [ 1260.590201][ T4458] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1260.590398][ T4458] __sys_setsockopt+0xec/0x160 [ 1260.590591][ T4458] __x64_sys_setsockopt+0xbd/0x160 [ 1260.590751][ T4458] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1260.590955][ T4458] do_syscall_64+0xc1/0x1d0 [ 1260.591123][ T4458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1260.591322][ T4458] RIP: 0033:0x7fbd9757e91e [ 1260.591508][ T4458] 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 [ 1260.592103][ T4458] RSP: 002b:00007fffb31a4b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1260.592364][ T4458] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd9757e91e [ 1260.592631][ T4458] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1260.592879][ T4458] RBP: 0000000000000008 R08: 0000000000000004 R09: 000000003b150010 [ 1260.593167][ T4458] R10: 00007fffb31a4b7c R11: 0000000000000246 R12: 0000000000000000 [ 1260.593415][ T4458] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fbd97683000 [ 1260.593684][ T4458] </TASK> [ 1260.598071][ T4458] veth0: entered allmulticast mode [ 1260.598661][ T4458] veth1: entered allmulticast mode [ 1260.599024][ T4458] veth2: entered allmulticast mode [ 1260.599378][ T4458] veth3: entered allmulticast mode [ 1260.599690][ T4458] veth4: entered allmulticast mode [ 1260.600005][ T4458] veth5: entered allmulticast mode [ 1271.538130][ T4544] GACT probability NOT on [ 1288.029277][ T4458] veth0: left allmulticast mode [ 1288.029707][ T4458] veth1: left allmulticast mode [ 1288.029995][ T4458] veth2: left allmulticast mode [ 1288.030292][ T4458] veth3: left allmulticast mode [ 1288.030591][ T4458] veth4: left allmulticast mode [ 1288.030872][ T4458] veth5: left allmulticast mode