[ 1265.897347][ T4457] [ 1265.897552][ T4457] ============================= [ 1265.897737][ T4457] WARNING: suspicious RCU usage [ 1265.897910][ T4457] 6.12.0-rc6-virtme #1 Not tainted [ 1265.898082][ T4457] ----------------------------- [ 1265.898310][ T4457] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1265.898582][ T4457] [ 1265.898582][ T4457] other info that might help us debug this: [ 1265.898582][ T4457] [ 1265.898948][ T4457] [ 1265.898948][ T4457] rcu_scheduler_active = 2, debug_locks = 1 [ 1265.899233][ T4457] no locks held by smcrouted/4457. [ 1265.899417][ T4457] [ 1265.899417][ T4457] stack backtrace: [ 1265.899629][ T4457] CPU: 0 UID: 0 PID: 4457 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1265.899932][ T4457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1265.900148][ T4457] Call Trace: [ 1265.900279][ T4457] [ 1265.900374][ T4457] dump_stack_lvl+0xb0/0xd0 [ 1265.900560][ T4457] lockdep_rcu_suspicious+0x1ea/0x280 [ 1265.900737][ T4457] ip6mr_get_table+0x142/0x190 [ 1265.900912][ T4457] ip6_mroute_setsockopt+0x185/0x12d0 [ 1265.901084][ T4457] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1265.901316][ T4457] ? __lock_release+0x103/0x460 [ 1265.901491][ T4457] ? __might_fault+0x11b/0x170 [ 1265.901665][ T4457] ? trace_lock_acquire+0x14d/0x1f0 [ 1265.901855][ T4457] ? __might_fault+0xc3/0x170 [ 1265.902030][ T4457] ? lock_acquire+0x32/0xc0 [ 1265.902201][ T4457] ? __might_fault+0xc3/0x170 [ 1265.902381][ T4457] ? __might_fault+0x11b/0x170 [ 1265.902563][ T4457] do_ipv6_setsockopt+0x705/0x34e0 [ 1265.902737][ T4457] ? __lock_release+0xe0/0x460 [ 1265.902918][ T4457] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1265.903092][ T4457] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1265.903275][ T4457] ? rcu_read_lock_any_held+0x43/0xb0 [ 1265.903453][ T4457] ? validate_chain+0x1fe/0xae0 [ 1265.903640][ T4457] ? is_bpf_text_address+0x67/0x120 [ 1265.903828][ T4457] ? __pfx_validate_chain+0x10/0x10 [ 1265.904005][ T4457] ? hlock_class+0x4e/0x130 [ 1265.904175][ T4457] ? mark_lock+0x38/0x3e0 [ 1265.904316][ T4457] ? __lock_acquire+0xb3f/0x1580 [ 1265.904497][ T4457] ? find_held_lock+0x2c/0x110 [ 1265.904675][ T4457] ? ipv6_setsockopt+0x7f/0xe0 [ 1265.904843][ T4457] ipv6_setsockopt+0x7f/0xe0 [ 1265.905017][ T4457] rawv6_setsockopt+0xb7/0x550 [ 1265.905196][ T4457] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1265.905365][ T4457] ? __lock_acquire+0xb3f/0x1580 [ 1265.905543][ T4457] ? kfree+0x2d/0x340 [ 1265.905681][ T4457] do_sock_setsockopt+0x149/0x3a0 [ 1265.905856][ T4457] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1265.906027][ T4457] ? __lock_release+0x103/0x460 [ 1265.906197][ T4457] ? fd_install+0x1d1/0x5a0 [ 1265.906373][ T4457] ? trace_lock_acquire+0x14d/0x1f0 [ 1265.906558][ T4457] ? fdget+0x52/0x1e0 [ 1265.906697][ T4457] __sys_setsockopt+0x104/0x1a0 [ 1265.906878][ T4457] ? __pfx___sys_setsockopt+0x10/0x10 [ 1265.907051][ T4457] ? __sys_socket+0x168/0x1e0 [ 1265.907228][ T4457] ? __pfx___sys_socket+0x10/0x10 [ 1265.907402][ T4457] ? do_user_addr_fault+0x374/0xe30 [ 1265.907591][ T4457] __x64_sys_setsockopt+0xbd/0x160 [ 1265.907763][ T4457] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1265.907978][ T4457] do_syscall_64+0xc1/0x1d0 [ 1265.908165][ T4457] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1265.908393][ T4457] RIP: 0033:0x7efd1619591e [ 1265.908591][ T4457] 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 [ 1265.909233][ T4457] RSP: 002b:00007ffd1b3246b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1265.909518][ T4457] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd1619591e [ 1265.909799][ T4457] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1265.910066][ T4457] RBP: 0000000000000008 R08: 0000000000000004 R09: 00000000156f3010 [ 1265.910327][ T4457] R10: 00007ffd1b3246dc R11: 0000000000000246 R12: 0000000000000000 [ 1265.910594][ T4457] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007efd1629a000 [ 1265.910867][ T4457] [ 1265.913977][ T4457] veth0: entered allmulticast mode [ 1265.914544][ T4457] veth1: entered allmulticast mode [ 1265.914907][ T4457] veth2: entered allmulticast mode [ 1265.915244][ T4457] veth3: entered allmulticast mode [ 1265.915599][ T4457] veth4: entered allmulticast mode [ 1265.915954][ T4457] veth5: entered allmulticast mode [ 1276.932786][ T4543] GACT probability NOT on [ 1293.648715][ T4457] veth0: left allmulticast mode [ 1293.649028][ T4457] veth1: left allmulticast mode [ 1293.649278][ T4457] veth2: left allmulticast mode [ 1293.649530][ T4457] veth3: left allmulticast mode [ 1293.649752][ T4457] veth4: left allmulticast mode [ 1293.649981][ T4457] veth5: left allmulticast mode