[ 1351.879107][T17903] [ 1351.879302][T17903] ============================= [ 1351.879522][T17903] WARNING: suspicious RCU usage [ 1351.879721][T17903] 6.12.0-rc6-virtme #1 Not tainted [ 1351.879919][T17903] ----------------------------- [ 1351.880108][T17903] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1351.880400][T17903] [ 1351.880400][T17903] other info that might help us debug this: [ 1351.880400][T17903] [ 1351.880759][T17903] [ 1351.880759][T17903] rcu_scheduler_active = 2, debug_locks = 1 [ 1351.881037][T17903] no locks held by smcrouted/17903. [ 1351.881229][T17903] [ 1351.881229][T17903] stack backtrace: [ 1351.881478][T17903] CPU: 2 UID: 0 PID: 17903 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1351.881801][T17903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1351.882026][T17903] Call Trace: [ 1351.882168][T17903] [ 1351.882276][T17903] dump_stack_lvl+0xb0/0xd0 [ 1351.882474][T17903] lockdep_rcu_suspicious+0x1ea/0x280 [ 1351.882670][T17903] ip6mr_get_table+0x142/0x190 [ 1351.882858][T17903] ip6_mroute_setsockopt+0x185/0x12d0 [ 1351.883046][T17903] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1351.883289][T17903] ? __lock_release+0x103/0x460 [ 1351.883465][T17903] ? __might_fault+0x11b/0x170 [ 1351.883650][T17903] ? trace_lock_acquire+0x14d/0x1f0 [ 1351.883841][T17903] ? __might_fault+0xc3/0x170 [ 1351.884021][T17903] ? lock_acquire+0x32/0xc0 [ 1351.884194][T17903] ? __might_fault+0xc3/0x170 [ 1351.884369][T17903] ? __might_fault+0x11b/0x170 [ 1351.884559][T17903] do_ipv6_setsockopt+0x705/0x34e0 [ 1351.884742][T17903] ? __lock_release+0xe0/0x460 [ 1351.884923][T17903] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1351.885103][T17903] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1351.885294][T17903] ? rcu_read_lock_any_held+0x43/0xb0 [ 1351.885470][T17903] ? validate_chain+0x1fe/0xae0 [ 1351.885647][T17903] ? is_bpf_text_address+0x67/0x120 [ 1351.885863][T17903] ? __pfx_validate_chain+0x10/0x10 [ 1351.886032][T17903] ? hlock_class+0x4e/0x130 [ 1351.886201][T17903] ? mark_lock+0x38/0x3e0 [ 1351.886339][T17903] ? __lock_acquire+0xb3f/0x1580 [ 1351.886524][T17903] ? find_held_lock+0x2c/0x110 [ 1351.886697][T17903] ? ipv6_setsockopt+0x7f/0xe0 [ 1351.886867][T17903] ipv6_setsockopt+0x7f/0xe0 [ 1351.887039][T17903] rawv6_setsockopt+0xb7/0x550 [ 1351.887209][T17903] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1351.887391][T17903] ? __lock_acquire+0xb3f/0x1580 [ 1351.887566][T17903] ? kfree+0x2d/0x340 [ 1351.887696][T17903] do_sock_setsockopt+0x149/0x3a0 [ 1351.887870][T17903] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1351.888032][T17903] ? __lock_release+0x103/0x460 [ 1351.888195][T17903] ? fd_install+0x1d1/0x5a0 [ 1351.888369][T17903] ? trace_lock_acquire+0x14d/0x1f0 [ 1351.888534][T17903] ? fdget+0x52/0x1e0 [ 1351.888664][T17903] __sys_setsockopt+0x104/0x1a0 [ 1351.888844][T17903] ? __pfx___sys_setsockopt+0x10/0x10 [ 1351.889010][T17903] ? __sys_socket+0x168/0x1e0 [ 1351.889174][T17903] ? __pfx___sys_socket+0x10/0x10 [ 1351.889356][T17903] ? do_user_addr_fault+0x374/0xe30 [ 1351.889525][T17903] __x64_sys_setsockopt+0xbd/0x160 [ 1351.889691][T17903] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1351.889894][T17903] do_syscall_64+0xc1/0x1d0 [ 1351.890079][T17903] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1351.890290][T17903] RIP: 0033:0x7feb57ffd91e [ 1351.890482][T17903] 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 [ 1351.891052][T17903] RSP: 002b:00007fffa0118a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1351.891305][T17903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb57ffd91e [ 1351.891567][T17903] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1351.891811][T17903] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1351.892061][T17903] R10: 00007fffa0118aac R11: 0000000000000246 R12: 0000000000000000 [ 1351.892334][T17903] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007feb58102000 [ 1351.892606][T17903] [ 1351.895756][T17903] veth0: entered allmulticast mode [ 1351.896548][T17903] veth1: entered allmulticast mode [ 1351.896934][T17903] veth2: entered allmulticast mode [ 1351.897282][T17903] veth3: entered allmulticast mode [ 1351.899560][T17903] veth4: entered allmulticast mode [ 1351.900272][T17903] veth5: entered allmulticast mode [ 1378.190074][T17903] veth0: left allmulticast mode [ 1378.190472][T17903] veth1: left allmulticast mode [ 1378.190719][T17903] veth2: left allmulticast mode [ 1378.190960][T17903] veth3: left allmulticast mode [ 1378.191200][T17903] veth4: left allmulticast mode [ 1378.191835][T17903] veth5: left allmulticast mode