[ 1330.389313][ T8688] [ 1330.389490][ T8688] ============================= [ 1330.389652][ T8688] WARNING: suspicious RCU usage [ 1330.389810][ T8688] 6.12.0-rc6-virtme #1 Not tainted [ 1330.389966][ T8688] ----------------------------- [ 1330.390145][ T8688] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1330.390385][ T8688] [ 1330.390385][ T8688] other info that might help us debug this: [ 1330.390385][ T8688] [ 1330.390695][ T8688] [ 1330.390695][ T8688] rcu_scheduler_active = 2, debug_locks = 1 [ 1330.390965][ T8688] no locks held by smcrouted/8688. [ 1330.391124][ T8688] [ 1330.391124][ T8688] stack backtrace: [ 1330.391316][ T8688] CPU: 3 UID: 0 PID: 8688 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1330.391611][ T8688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1330.391812][ T8688] Call Trace: [ 1330.391935][ T8688] [ 1330.392033][ T8688] dump_stack_lvl+0xb0/0xd0 [ 1330.392207][ T8688] lockdep_rcu_suspicious+0x1ea/0x280 [ 1330.392370][ T8688] ip6mr_get_table+0x142/0x190 [ 1330.392528][ T8688] ip6_mroute_setsockopt+0x185/0x12d0 [ 1330.392695][ T8688] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1330.392897][ T8688] ? __lock_release+0x103/0x460 [ 1330.393058][ T8688] ? __might_fault+0x11b/0x170 [ 1330.393221][ T8688] ? trace_lock_acquire+0x14d/0x1f0 [ 1330.393383][ T8688] ? __might_fault+0xc3/0x170 [ 1330.393537][ T8688] ? lock_acquire+0x32/0xc0 [ 1330.393693][ T8688] ? __might_fault+0xc3/0x170 [ 1330.393851][ T8688] ? __might_fault+0x11b/0x170 [ 1330.394031][ T8688] do_ipv6_setsockopt+0x705/0x34e0 [ 1330.394196][ T8688] ? __lock_release+0xe0/0x460 [ 1330.394351][ T8688] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1330.394521][ T8688] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1330.394694][ T8688] ? rcu_read_lock_any_held+0x43/0xb0 [ 1330.394856][ T8688] ? validate_chain+0x1fe/0xae0 [ 1330.395012][ T8688] ? is_bpf_text_address+0x67/0x120 [ 1330.395176][ T8688] ? __pfx_validate_chain+0x10/0x10 [ 1330.395335][ T8688] ? hlock_class+0x4e/0x130 [ 1330.395496][ T8688] ? mark_lock+0x38/0x3e0 [ 1330.395641][ T8688] ? __lock_acquire+0xb3f/0x1580 [ 1330.395820][ T8688] ? find_held_lock+0x2c/0x110 [ 1330.395988][ T8688] ? ipv6_setsockopt+0x7f/0xe0 [ 1330.396174][ T8688] ipv6_setsockopt+0x7f/0xe0 [ 1330.396332][ T8688] rawv6_setsockopt+0xb7/0x550 [ 1330.396498][ T8688] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1330.396659][ T8688] ? __lock_acquire+0xb3f/0x1580 [ 1330.396828][ T8688] ? kfree+0x2d/0x340 [ 1330.396958][ T8688] do_sock_setsockopt+0x149/0x3a0 [ 1330.397117][ T8688] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1330.397276][ T8688] ? __lock_release+0x103/0x460 [ 1330.397437][ T8688] ? fd_install+0x1d1/0x5a0 [ 1330.397597][ T8688] ? trace_lock_acquire+0x14d/0x1f0 [ 1330.397755][ T8688] ? fdget+0x52/0x1e0 [ 1330.397878][ T8688] __sys_setsockopt+0x104/0x1a0 [ 1330.398038][ T8688] ? __pfx___sys_setsockopt+0x10/0x10 [ 1330.398195][ T8688] ? __sys_socket+0x168/0x1e0 [ 1330.398354][ T8688] ? __pfx___sys_socket+0x10/0x10 [ 1330.398511][ T8688] ? do_user_addr_fault+0x374/0xe30 [ 1330.398680][ T8688] __x64_sys_setsockopt+0xbd/0x160 [ 1330.398836][ T8688] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1330.399029][ T8688] do_syscall_64+0xc1/0x1d0 [ 1330.399189][ T8688] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1330.399381][ T8688] RIP: 0033:0x7fcd1cb8091e [ 1330.399551][ T8688] 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 [ 1330.400095][ T8688] RSP: 002b:00007ffe82271ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1330.400334][ T8688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd1cb8091e [ 1330.400568][ T8688] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1330.400808][ T8688] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1330.401045][ T8688] R10: 00007ffe82271efc R11: 0000000000000246 R12: 0000000000000000 [ 1330.401282][ T8688] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcd1cc85000 [ 1330.401529][ T8688] [ 1330.404287][ T8688] veth0: entered allmulticast mode [ 1330.405003][ T8688] veth1: entered allmulticast mode [ 1330.405326][ T8688] veth2: entered allmulticast mode [ 1330.405685][ T8688] veth3: entered allmulticast mode [ 1330.406014][ T8688] veth4: entered allmulticast mode [ 1330.406345][ T8688] veth5: entered allmulticast mode [ 1355.805344][ T8688] veth0: left allmulticast mode [ 1355.806300][ T8688] veth1: left allmulticast mode [ 1355.806597][ T8688] veth2: left allmulticast mode [ 1355.806848][ T8688] veth3: left allmulticast mode [ 1355.807097][ T8688] veth4: left allmulticast mode [ 1355.807354][ T8688] veth5: left allmulticast mode