[ 1342.339870][ T5258] [ 1342.340029][ T5258] ============================= [ 1342.340335][ T5258] WARNING: suspicious RCU usage [ 1342.340522][ T5258] 6.12.0-rc6-virtme #1 Not tainted [ 1342.340700][ T5258] ----------------------------- [ 1342.340886][ T5258] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1342.341180][ T5258] [ 1342.341180][ T5258] other info that might help us debug this: [ 1342.341180][ T5258] [ 1342.341547][ T5258] [ 1342.341547][ T5258] rcu_scheduler_active = 2, debug_locks = 1 [ 1342.341827][ T5258] no locks held by smcrouted/5258. [ 1342.342013][ T5258] [ 1342.342013][ T5258] stack backtrace: [ 1342.342274][ T5258] CPU: 0 UID: 0 PID: 5258 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1342.342600][ T5258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1342.342824][ T5258] Call Trace: [ 1342.342964][ T5258] [ 1342.343056][ T5258] dump_stack_lvl+0xb0/0xd0 [ 1342.343254][ T5258] lockdep_rcu_suspicious+0x1ea/0x280 [ 1342.343433][ T5258] ip6mr_get_table+0x142/0x190 [ 1342.343609][ T5258] ip6_mroute_setsockopt+0x185/0x12d0 [ 1342.343792][ T5258] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1342.344022][ T5258] ? __lock_release+0x103/0x460 [ 1342.344221][ T5258] ? __might_fault+0x11b/0x170 [ 1342.344398][ T5258] ? trace_lock_acquire+0x14d/0x1f0 [ 1342.344583][ T5258] ? __might_fault+0xc3/0x170 [ 1342.344759][ T5258] ? lock_acquire+0x32/0xc0 [ 1342.344934][ T5258] ? __might_fault+0xc3/0x170 [ 1342.345112][ T5258] ? __might_fault+0x11b/0x170 [ 1342.345301][ T5258] do_ipv6_setsockopt+0x705/0x34e0 [ 1342.345481][ T5258] ? __lock_release+0xe0/0x460 [ 1342.345659][ T5258] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1342.345842][ T5258] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1342.346019][ T5258] ? rcu_read_lock_any_held+0x43/0xb0 [ 1342.346216][ T5258] ? validate_chain+0x1fe/0xae0 [ 1342.346388][ T5258] ? is_bpf_text_address+0x67/0x120 [ 1342.346582][ T5258] ? __pfx_validate_chain+0x10/0x10 [ 1342.346756][ T5258] ? hlock_class+0x4e/0x130 [ 1342.346950][ T5258] ? mark_lock+0x38/0x3e0 [ 1342.347098][ T5258] ? __lock_acquire+0xb3f/0x1580 [ 1342.347304][ T5258] ? find_held_lock+0x2c/0x110 [ 1342.347491][ T5258] ? ipv6_setsockopt+0x7f/0xe0 [ 1342.347668][ T5258] ipv6_setsockopt+0x7f/0xe0 [ 1342.347853][ T5258] rawv6_setsockopt+0xb7/0x550 [ 1342.348032][ T5258] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1342.348237][ T5258] ? __lock_acquire+0xb3f/0x1580 [ 1342.348427][ T5258] ? kfree+0x2d/0x340 [ 1342.348566][ T5258] do_sock_setsockopt+0x149/0x3a0 [ 1342.348752][ T5258] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1342.348936][ T5258] ? __lock_release+0x103/0x460 [ 1342.349118][ T5258] ? fd_install+0x1d1/0x5a0 [ 1342.349311][ T5258] ? trace_lock_acquire+0x14d/0x1f0 [ 1342.349486][ T5258] ? fdget+0x52/0x1e0 [ 1342.349634][ T5258] __sys_setsockopt+0x104/0x1a0 [ 1342.349828][ T5258] ? __pfx___sys_setsockopt+0x10/0x10 [ 1342.350005][ T5258] ? __sys_socket+0x168/0x1e0 [ 1342.350199][ T5258] ? __pfx___sys_socket+0x10/0x10 [ 1342.350373][ T5258] ? do_user_addr_fault+0x97c/0xe30 [ 1342.350565][ T5258] __x64_sys_setsockopt+0xbd/0x160 [ 1342.350741][ T5258] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1342.350957][ T5258] do_syscall_64+0xc1/0x1d0 [ 1342.351144][ T5258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1342.351377][ T5258] RIP: 0033:0x7fcfa202591e [ 1342.351564][ T5258] 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 [ 1342.352178][ T5258] RSP: 002b:00007fff113b5308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1342.352458][ T5258] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfa202591e [ 1342.352722][ T5258] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1342.352978][ T5258] RBP: 0000000000000008 R08: 0000000000000004 R09: 000000003f8a6010 [ 1342.353244][ T5258] R10: 00007fff113b532c R11: 0000000000000246 R12: 0000000000000000 [ 1342.353503][ T5258] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcfa212a000 [ 1342.353794][ T5258] [ 1342.367222][ T5258] veth0: entered allmulticast mode [ 1342.367948][ T5258] veth1: entered allmulticast mode [ 1342.368381][ T5258] veth2: entered allmulticast mode [ 1342.368841][ T5258] veth3: entered allmulticast mode [ 1342.369957][ T5258] veth4: entered allmulticast mode [ 1342.370447][ T5258] veth5: entered allmulticast mode [ 1367.949537][ T5258] veth0: left allmulticast mode [ 1367.949908][ T5258] veth1: left allmulticast mode [ 1367.950190][ T5258] veth2: left allmulticast mode [ 1367.950445][ T5258] veth3: left allmulticast mode [ 1367.950705][ T5258] veth4: left allmulticast mode [ 1367.950949][ T5258] veth5: left allmulticast mode