[ 1298.008019][ T9961] [ 1298.008219][ T9961] ============================= [ 1298.008494][ T9961] WARNING: suspicious RCU usage [ 1298.008749][ T9961] 6.12.0-rc7-virtme #1 Not tainted [ 1298.009000][ T9961] ----------------------------- [ 1298.009250][ T9961] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1298.010097][ T9961] [ 1298.010097][ T9961] other info that might help us debug this: [ 1298.010097][ T9961] [ 1298.010613][ T9961] [ 1298.010613][ T9961] rcu_scheduler_active = 2, debug_locks = 1 [ 1298.010971][ T9961] no locks held by smcrouted/9961. [ 1298.011221][ T9961] [ 1298.011221][ T9961] stack backtrace: [ 1298.011538][ T9961] CPU: 3 UID: 0 PID: 9961 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1298.011980][ T9961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1298.012307][ T9961] Call Trace: [ 1298.012506][ T9961] <TASK> [ 1298.012648][ T9961] dump_stack_lvl+0xb0/0xd0 [ 1298.012927][ T9961] lockdep_rcu_suspicious+0x1ea/0x280 [ 1298.013202][ T9961] ip6mr_get_table+0x142/0x190 [ 1298.013475][ T9961] ip6_mroute_setsockopt+0x185/0x12d0 [ 1298.013736][ T9961] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1298.014056][ T9961] ? __lock_release+0x103/0x460 [ 1298.014312][ T9961] ? __might_fault+0x11b/0x170 [ 1298.014584][ T9961] ? trace_lock_acquire+0x14d/0x1f0 [ 1298.014842][ T9961] ? __might_fault+0xc3/0x170 [ 1298.015101][ T9961] ? lock_acquire+0x32/0xc0 [ 1298.015355][ T9961] ? __might_fault+0xc3/0x170 [ 1298.015624][ T9961] ? __might_fault+0x11b/0x170 [ 1298.015889][ T9961] do_ipv6_setsockopt+0x705/0x34e0 [ 1298.016152][ T9961] ? __lock_release+0x10/0x460 [ 1298.016408][ T9961] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1298.016656][ T9961] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1298.016912][ T9961] ? rcu_read_lock_any_held+0x43/0xb0 [ 1298.017169][ T9961] ? validate_chain+0x1fe/0xae0 [ 1298.017425][ T9961] ? is_bpf_text_address+0x67/0x120 [ 1298.017709][ T9961] ? __pfx_validate_chain+0x10/0x10 [ 1298.017963][ T9961] ? hlock_class+0x4e/0x130 [ 1298.018216][ T9961] ? mark_lock+0x38/0x3e0 [ 1298.018417][ T9961] ? __lock_acquire+0xb3f/0x1580 [ 1298.018682][ T9961] ? find_held_lock+0x2c/0x110 [ 1298.018950][ T9961] ? ipv6_setsockopt+0x7f/0xe0 [ 1298.019207][ T9961] ipv6_setsockopt+0x7f/0xe0 [ 1298.019465][ T9961] rawv6_setsockopt+0xb7/0x550 [ 1298.019724][ T9961] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1298.019988][ T9961] ? __lock_acquire+0xb3f/0x1580 [ 1298.020246][ T9961] ? kfree+0x2d/0x340 [ 1298.020461][ T9961] do_sock_setsockopt+0x149/0x3a0 [ 1298.020716][ T9961] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1298.020969][ T9961] ? __lock_release+0x103/0x460 [ 1298.021218][ T9961] ? fd_install+0x1d1/0x5a0 [ 1298.021483][ T9961] ? trace_lock_acquire+0x14d/0x1f0 [ 1298.021743][ T9961] ? fdget+0x52/0x1e0 [ 1298.021951][ T9961] __sys_setsockopt+0x104/0x1a0 [ 1298.022213][ T9961] ? __pfx___sys_setsockopt+0x10/0x10 [ 1298.022464][ T9961] ? __sys_socket+0x168/0x1e0 [ 1298.022704][ T9961] ? __pfx___sys_socket+0x10/0x10 [ 1298.022952][ T9961] ? do_user_addr_fault+0x374/0xe30 [ 1298.023214][ T9961] __x64_sys_setsockopt+0xbd/0x160 [ 1298.023467][ T9961] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1298.023787][ T9961] do_syscall_64+0xc1/0x1d0 [ 1298.024046][ T9961] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1298.024354][ T9961] RIP: 0033:0x7f763084b91e [ 1298.024614][ T9961] 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 [ 1298.025446][ T9961] RSP: 002b:00007ffc8bb6b068 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1298.025814][ T9961] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f763084b91e [ 1298.026182][ T9961] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1298.026543][ T9961] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1298.026901][ T9961] R10: 00007ffc8bb6b08c R11: 0000000000000246 R12: 0000000000000000 [ 1298.027258][ T9961] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f7630950000 [ 1298.027645][ T9961] </TASK> [ 1298.042449][ T9961] veth0: entered allmulticast mode [ 1298.043193][ T9961] veth1: entered allmulticast mode [ 1298.044167][ T9961] veth2: entered allmulticast mode [ 1298.044637][ T9961] veth3: entered allmulticast mode [ 1317.343963][ T9961] veth0: left allmulticast mode [ 1317.344358][ T9961] veth1: left allmulticast mode [ 1317.344689][ T9961] veth2: left allmulticast mode [ 1317.344960][ T9961] veth3: left allmulticast mode