[ 1343.104168][ T5305] [ 1343.104378][ T5305] ============================= [ 1343.104574][ T5305] WARNING: suspicious RCU usage [ 1343.104777][ T5305] 6.12.0-rc6-virtme #1 Not tainted [ 1343.104969][ T5305] ----------------------------- [ 1343.105164][ T5305] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1343.105452][ T5305] [ 1343.105452][ T5305] other info that might help us debug this: [ 1343.105452][ T5305] [ 1343.105803][ T5305] [ 1343.105803][ T5305] rcu_scheduler_active = 2, debug_locks = 1 [ 1343.106073][ T5305] no locks held by smcrouted/5305. [ 1343.106262][ T5305] [ 1343.106262][ T5305] stack backtrace: [ 1343.106504][ T5305] CPU: 2 UID: 0 PID: 5305 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1343.106807][ T5305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1343.107019][ T5305] Call Trace: [ 1343.107157][ T5305] [ 1343.107249][ T5305] dump_stack_lvl+0xb0/0xd0 [ 1343.107437][ T5305] lockdep_rcu_suspicious+0x1ea/0x280 [ 1343.107616][ T5305] ip6mr_get_table+0x142/0x190 [ 1343.107795][ T5305] ip6_mroute_setsockopt+0x185/0x12d0 [ 1343.107970][ T5305] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1343.108205][ T5305] ? __lock_release+0x103/0x460 [ 1343.108382][ T5305] ? __might_fault+0x11b/0x170 [ 1343.108562][ T5305] ? trace_lock_acquire+0x14d/0x1f0 [ 1343.108743][ T5305] ? __might_fault+0xc3/0x170 [ 1343.108919][ T5305] ? lock_acquire+0x32/0xc0 [ 1343.109091][ T5305] ? __might_fault+0xc3/0x170 [ 1343.109265][ T5305] ? __might_fault+0x11b/0x170 [ 1343.109441][ T5305] do_ipv6_setsockopt+0x705/0x34e0 [ 1343.109616][ T5305] ? __lock_release+0xe0/0x460 [ 1343.109790][ T5305] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1343.109974][ T5305] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1343.110157][ T5305] ? rcu_read_lock_any_held+0x43/0xb0 [ 1343.110328][ T5305] ? validate_chain+0x1fe/0xae0 [ 1343.110504][ T5305] ? is_bpf_text_address+0x67/0x120 [ 1343.110693][ T5305] ? __pfx_validate_chain+0x10/0x10 [ 1343.110861][ T5305] ? hlock_class+0x4e/0x130 [ 1343.111031][ T5305] ? mark_lock+0x38/0x3e0 [ 1343.111170][ T5305] ? __lock_acquire+0xb3f/0x1580 [ 1343.111349][ T5305] ? find_held_lock+0x2c/0x110 [ 1343.111527][ T5305] ? ipv6_setsockopt+0x7f/0xe0 [ 1343.111696][ T5305] ipv6_setsockopt+0x7f/0xe0 [ 1343.111870][ T5305] rawv6_setsockopt+0xb7/0x550 [ 1343.112043][ T5305] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1343.112218][ T5305] ? __lock_acquire+0xb3f/0x1580 [ 1343.112390][ T5305] ? kfree+0x2d/0x340 [ 1343.112526][ T5305] do_sock_setsockopt+0x149/0x3a0 [ 1343.112701][ T5305] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1343.112870][ T5305] ? __lock_release+0x103/0x460 [ 1343.113040][ T5305] ? fd_install+0x1d1/0x5a0 [ 1343.113214][ T5305] ? trace_lock_acquire+0x14d/0x1f0 [ 1343.113389][ T5305] ? fdget+0x52/0x1e0 [ 1343.113525][ T5305] __sys_setsockopt+0x104/0x1a0 [ 1343.113698][ T5305] ? __pfx___sys_setsockopt+0x10/0x10 [ 1343.113867][ T5305] ? __sys_socket+0x168/0x1e0 [ 1343.114046][ T5305] ? __pfx___sys_socket+0x10/0x10 [ 1343.114217][ T5305] ? do_user_addr_fault+0x374/0xe30 [ 1343.114391][ T5305] __x64_sys_setsockopt+0xbd/0x160 [ 1343.114558][ T5305] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1343.114774][ T5305] do_syscall_64+0xc1/0x1d0 [ 1343.114950][ T5305] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1343.115157][ T5305] RIP: 0033:0x7f7e5101291e [ 1343.115340][ T5305] 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 [ 1343.115934][ T5305] RSP: 002b:00007ffc3eee6ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1343.116202][ T5305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e5101291e [ 1343.116467][ T5305] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1343.116720][ T5305] RBP: 0000000000000008 R08: 0000000000000004 R09: 00000000356b5010 [ 1343.116976][ T5305] R10: 00007ffc3eee6aec R11: 0000000000000246 R12: 0000000000000000 [ 1343.117248][ T5305] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7e51117000 [ 1343.117523][ T5305] [ 1343.122302][ T5305] veth0: entered allmulticast mode [ 1343.122931][ T5305] veth1: entered allmulticast mode [ 1343.123318][ T5305] veth2: entered allmulticast mode [ 1343.123726][ T5305] veth3: entered allmulticast mode [ 1343.124101][ T5305] veth4: entered allmulticast mode [ 1343.124499][ T5305] veth5: entered allmulticast mode [ 1368.466947][ T5305] veth0: left allmulticast mode [ 1368.467420][ T5305] veth1: left allmulticast mode [ 1368.467825][ T5305] veth2: left allmulticast mode [ 1368.468225][ T5305] veth3: left allmulticast mode [ 1368.470805][ T5305] veth4: left allmulticast mode [ 1368.471243][ T5305] veth5: left allmulticast mode