[ 1358.904659][T11044] [ 1358.904798][T11044] ============================= [ 1358.904966][T11044] WARNING: suspicious RCU usage [ 1358.905127][T11044] 6.12.0-rc6-virtme #1 Not tainted [ 1358.905289][T11044] ----------------------------- [ 1358.905454][T11044] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1358.905696][T11044] [ 1358.905696][T11044] other info that might help us debug this: [ 1358.905696][T11044] [ 1358.906004][T11044] [ 1358.906004][T11044] rcu_scheduler_active = 2, debug_locks = 1 [ 1358.906234][T11044] no locks held by smcrouted/11044. [ 1358.906389][T11044] [ 1358.906389][T11044] stack backtrace: [ 1358.906596][T11044] CPU: 3 UID: 0 PID: 11044 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1358.906885][T11044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1358.907091][T11044] Call Trace: [ 1358.907220][T11044] [ 1358.907315][T11044] dump_stack_lvl+0xb0/0xd0 [ 1358.907487][T11044] lockdep_rcu_suspicious+0x1ea/0x280 [ 1358.907649][T11044] ip6mr_get_table+0x142/0x190 [ 1358.907811][T11044] ip6_mroute_setsockopt+0x185/0x12d0 [ 1358.907973][T11044] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1358.908183][T11044] ? __lock_release+0x103/0x460 [ 1358.908342][T11044] ? __might_fault+0x11b/0x170 [ 1358.908499][T11044] ? trace_lock_acquire+0x14d/0x1f0 [ 1358.908661][T11044] ? __might_fault+0xc3/0x170 [ 1358.908815][T11044] ? lock_acquire+0x32/0xc0 [ 1358.908973][T11044] ? __might_fault+0xc3/0x170 [ 1358.909130][T11044] ? __might_fault+0x11b/0x170 [ 1358.909299][T11044] do_ipv6_setsockopt+0x705/0x34e0 [ 1358.909461][T11044] ? __lock_release+0xe0/0x460 [ 1358.909622][T11044] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1358.909783][T11044] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1358.909947][T11044] ? rcu_read_lock_any_held+0x43/0xb0 [ 1358.910108][T11044] ? validate_chain+0x1fe/0xae0 [ 1358.910274][T11044] ? is_bpf_text_address+0x67/0x120 [ 1358.910438][T11044] ? __pfx_validate_chain+0x10/0x10 [ 1358.910594][T11044] ? hlock_class+0x4e/0x130 [ 1358.910747][T11044] ? mark_lock+0x38/0x3e0 [ 1358.910874][T11044] ? __lock_acquire+0xb3f/0x1580 [ 1358.911040][T11044] ? find_held_lock+0x2c/0x110 [ 1358.911205][T11044] ? ipv6_setsockopt+0x7f/0xe0 [ 1358.911359][T11044] ipv6_setsockopt+0x7f/0xe0 [ 1358.911515][T11044] rawv6_setsockopt+0xb7/0x550 [ 1358.911681][T11044] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1358.911838][T11044] ? __lock_acquire+0xb3f/0x1580 [ 1358.911997][T11044] ? kfree+0x2d/0x340 [ 1358.912123][T11044] do_sock_setsockopt+0x149/0x3a0 [ 1358.912282][T11044] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1358.912439][T11044] ? __lock_release+0x103/0x460 [ 1358.912596][T11044] ? fd_install+0x1d1/0x5a0 [ 1358.912757][T11044] ? trace_lock_acquire+0x14d/0x1f0 [ 1358.912926][T11044] ? fdget+0x52/0x1e0 [ 1358.913052][T11044] __sys_setsockopt+0x104/0x1a0 [ 1358.913212][T11044] ? __pfx___sys_setsockopt+0x10/0x10 [ 1358.913367][T11044] ? __sys_socket+0x168/0x1e0 [ 1358.913523][T11044] ? __pfx___sys_socket+0x10/0x10 [ 1358.913680][T11044] ? do_user_addr_fault+0x374/0xe30 [ 1358.913848][T11044] __x64_sys_setsockopt+0xbd/0x160 [ 1358.914038][T11044] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1358.914243][T11044] do_syscall_64+0xc1/0x1d0 [ 1358.914405][T11044] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1358.914598][T11044] RIP: 0033:0x7f8d6267791e [ 1358.914815][T11044] 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 [ 1358.915353][T11044] RSP: 002b:00007ffed4c43f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1358.915594][T11044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d6267791e [ 1358.915829][T11044] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1358.916060][T11044] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1358.916292][T11044] R10: 00007ffed4c43fbc R11: 0000000000000246 R12: 0000000000000000 [ 1358.916525][T11044] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f8d6277c000 [ 1358.916773][T11044] [ 1358.922026][T11044] veth0: entered allmulticast mode [ 1358.922555][T11044] veth1: entered allmulticast mode [ 1358.922878][T11044] veth2: entered allmulticast mode [ 1358.923201][T11044] veth3: entered allmulticast mode [ 1358.925174][T11044] veth4: entered allmulticast mode [ 1358.925932][T11044] veth5: entered allmulticast mode [ 1384.206281][T11044] veth0: left allmulticast mode [ 1384.206619][T11044] veth1: left allmulticast mode [ 1384.206874][T11044] veth2: left allmulticast mode [ 1384.207125][T11044] veth3: left allmulticast mode [ 1384.207370][T11044] veth4: left allmulticast mode [ 1384.207630][T11044] veth5: left allmulticast mode