[ 202.387792][ T1745] [ 202.388088][ T1745] ============================= [ 202.388362][ T1745] WARNING: suspicious RCU usage [ 202.390143][ T1745] 6.12.0-rc6-virtme #1 Not tainted [ 202.390605][ T1745] ----------------------------- [ 202.390875][ T1745] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 202.391288][ T1745] [ 202.391288][ T1745] other info that might help us debug this: [ 202.391288][ T1745] [ 202.391981][ T1745] [ 202.391981][ T1745] rcu_scheduler_active = 2, debug_locks = 1 [ 202.392422][ T1745] no locks held by smcrouted/1745. [ 202.392705][ T1745] [ 202.392705][ T1745] stack backtrace: [ 202.393041][ T1745] CPU: 0 UID: 0 PID: 1745 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 202.393532][ T1745] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 202.393876][ T1745] Call Trace: [ 202.394096][ T1745] [ 202.394247][ T1745] dump_stack_lvl+0xb0/0xd0 [ 202.394538][ T1745] lockdep_rcu_suspicious+0x1ea/0x280 [ 202.394818][ T1745] ip6mr_get_table+0x142/0x190 [ 202.395102][ T1745] ip6_mroute_setsockopt+0x185/0x12d0 [ 202.395374][ T1745] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 202.395703][ T1745] ? __lock_release+0x103/0x460 [ 202.395992][ T1745] ? __might_fault+0x11b/0x170 [ 202.396272][ T1745] ? trace_lock_acquire+0x14d/0x1f0 [ 202.396544][ T1745] ? __might_fault+0xc3/0x170 [ 202.396813][ T1745] ? lock_acquire+0x32/0xc0 [ 202.397077][ T1745] ? __might_fault+0xc3/0x170 [ 202.397351][ T1745] ? __might_fault+0x11b/0x170 [ 202.397633][ T1745] do_ipv6_setsockopt+0x705/0x34e0 [ 202.397912][ T1745] ? __lock_release+0xe0/0x460 [ 202.398176][ T1745] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 202.398444][ T1745] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 202.398710][ T1745] ? rcu_read_lock_any_held+0x43/0xb0 [ 202.398972][ T1745] ? validate_chain+0x1fe/0xae0 [ 202.399234][ T1745] ? is_bpf_text_address+0x67/0x120 [ 202.399515][ T1745] ? __pfx_validate_chain+0x10/0x10 [ 202.399810][ T1745] ? hlock_class+0x4e/0x130 [ 202.400082][ T1745] ? mark_lock+0x38/0x3e0 [ 202.400299][ T1745] ? __lock_acquire+0xb3f/0x1580 [ 202.400583][ T1745] ? find_held_lock+0x2c/0x110 [ 202.400866][ T1745] ? ipv6_setsockopt+0x7f/0xe0 [ 202.401128][ T1745] ipv6_setsockopt+0x7f/0xe0 [ 202.401404][ T1745] rawv6_setsockopt+0xb7/0x550 [ 202.401678][ T1745] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 202.401949][ T1745] ? __lock_acquire+0xb3f/0x1580 [ 202.402228][ T1745] ? kfree+0x2d/0x340 [ 202.402449][ T1745] do_sock_setsockopt+0x149/0x3a0 [ 202.402721][ T1745] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 202.402980][ T1745] ? __lock_release+0x103/0x460 [ 202.403246][ T1745] ? fd_install+0x1d1/0x5a0 [ 202.403526][ T1745] ? trace_lock_acquire+0x14d/0x1f0 [ 202.403802][ T1745] ? fdget+0x52/0x1e0 [ 202.404019][ T1745] __sys_setsockopt+0x104/0x1a0 [ 202.404296][ T1745] ? __pfx___sys_setsockopt+0x10/0x10 [ 202.404574][ T1745] ? __sys_socket+0x168/0x1e0 [ 202.404847][ T1745] ? __pfx___sys_socket+0x10/0x10 [ 202.405123][ T1745] ? do_user_addr_fault+0x374/0xe30 [ 202.405391][ T1745] __x64_sys_setsockopt+0xbd/0x160 [ 202.405655][ T1745] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 202.406002][ T1745] do_syscall_64+0xc1/0x1d0 [ 202.406283][ T1745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 202.406618][ T1745] RIP: 0033:0x7f8cc2a8091e [ 202.406914][ T1745] 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 [ 202.407850][ T1745] RSP: 002b:00007fffb0be4d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 202.408256][ T1745] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8cc2a8091e [ 202.408666][ T1745] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 202.409078][ T1745] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 202.409486][ T1745] R10: 00007fffb0be4d3c R11: 0000000000000246 R12: 0000000000000000 [ 202.409897][ T1745] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f8cc2b85000 [ 202.410309][ T1745] [ 202.416153][ T1745] veth0: entered allmulticast mode [ 202.417321][ T1745] veth1: entered allmulticast mode [ 202.418199][ T1745] veth2: entered allmulticast mode [ 202.418832][ T1745] veth3: entered allmulticast mode [ 202.419417][ T1745] veth4: entered allmulticast mode [ 202.420038][ T1745] veth5: entered allmulticast mode [ 230.014693][ T1745] veth0: left allmulticast mode [ 230.015084][ T1745] veth1: left allmulticast mode [ 230.015333][ T1745] veth2: left allmulticast mode [ 230.016007][ T1745] veth3: left allmulticast mode [ 230.016272][ T1745] veth4: left allmulticast mode [ 230.016537][ T1745] veth5: left allmulticast mode