[ 10.884739][ T280] [ 10.884991][ T280] ============================= [ 10.885176][ T280] WARNING: suspicious RCU usage [ 10.885369][ T280] 6.12.0-virtme #1 Not tainted [ 10.885542][ T280] ----------------------------- [ 10.885712][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.885963][ T280] [ 10.885963][ T280] other info that might help us debug this: [ 10.885963][ T280] [ 10.886321][ T280] [ 10.886321][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.886575][ T280] no locks held by smcrouted/280. [ 10.886755][ T280] [ 10.886755][ T280] stack backtrace: [ 10.886979][ T280] CPU: 0 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 10.887243][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.887469][ T280] Call Trace: [ 10.887603][ T280] [ 10.887699][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.887891][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.888071][ T280] ip6mr_get_table+0x142/0x190 [ 10.888252][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.888430][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.888650][ T280] ? __lock_release+0x103/0x460 [ 10.888820][ T280] ? __might_fault+0x11b/0x170 [ 10.888997][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.889176][ T280] ? __might_fault+0xc3/0x170 [ 10.889349][ T280] ? lock_acquire+0x32/0xc0 [ 10.889517][ T280] ? __might_fault+0xc3/0x170 [ 10.889689][ T280] ? __might_fault+0x11b/0x170 [ 10.889868][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.890042][ T280] ? validate_chain+0x130/0xae0 [ 10.890213][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.890393][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.890562][ T280] ? hlock_class+0x4e/0x130 [ 10.890735][ T280] ? mark_lock+0x38/0x3e0 [ 10.890872][ T280] ? __lock_acquire+0xb9a/0x1680 [ 10.891053][ T280] ? find_held_lock+0x2c/0x110 [ 10.891224][ T280] ? __lock_release+0x103/0x460 [ 10.891395][ T280] ? __create_object+0x5e/0xb0 [ 10.891569][ T280] ? __pfx___lock_release+0x10/0x10 [ 10.891741][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.891916][ T280] ? hlock_class+0x4e/0x130 [ 10.892088][ T280] ? mark_lock+0x38/0x3e0 [ 10.892222][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.892391][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.892564][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.892736][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.892907][ T280] ? find_held_lock+0x2c/0x110 [ 10.893079][ T280] ? kfree+0x2d/0x340 [ 10.893206][ T280] ? __lock_release+0x103/0x460 [ 10.893378][ T280] ? fd_install+0x1d1/0x5a0 [ 10.893554][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.893728][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.893919][ T280] __sys_setsockopt+0xec/0x160 [ 10.894094][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.894263][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.894478][ T280] do_syscall_64+0xc1/0x1d0 [ 10.894652][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.894859][ T280] RIP: 0033:0x7fcdbf1fa91e [ 10.895035][ T280] 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 [ 10.895634][ T280] RSP: 002b:00007ffc5551f658 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.895896][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcdbf1fa91e [ 10.896153][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.896417][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.896671][ T280] R10: 00007ffc5551f67c R11: 0000000000000246 R12: 0000000000000000 [ 10.896924][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fcdbf2ff000 [ 10.897193][ T280] [ 10.900264][ T280] veth0: entered allmulticast mode [ 10.900859][ T280] veth1: entered allmulticast mode [ 10.901185][ T280] veth2: entered allmulticast mode [ 10.901527][ T280] veth3: entered allmulticast mode [ 22.078656][ T368] GACT probability NOT on [ 28.726880][ T280] veth0: left allmulticast mode [ 28.727257][ T280] veth1: left allmulticast mode [ 28.727483][ T280] veth2: left allmulticast mode [ 28.727698][ T280] veth3: left allmulticast mode