[ 270.505329][ T2166] [ 270.506110][ T2166] ============================= [ 270.506274][ T2166] WARNING: suspicious RCU usage [ 270.506440][ T2166] 6.12.0-virtme #1 Not tainted [ 270.506600][ T2166] ----------------------------- [ 270.506757][ T2166] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 270.506986][ T2166] [ 270.506986][ T2166] other info that might help us debug this: [ 270.506986][ T2166] [ 270.507287][ T2166] [ 270.507287][ T2166] rcu_scheduler_active = 2, debug_locks = 1 [ 270.507532][ T2166] no locks held by smcrouted/2166. [ 270.507693][ T2166] [ 270.507693][ T2166] stack backtrace: [ 270.507921][ T2166] CPU: 3 UID: 0 PID: 2166 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 270.508156][ T2166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 270.508359][ T2166] Call Trace: [ 270.508482][ T2166] [ 270.508568][ T2166] dump_stack_lvl+0xb0/0xd0 [ 270.508731][ T2166] lockdep_rcu_suspicious+0x1ea/0x280 [ 270.508890][ T2166] ip6mr_get_table+0x142/0x190 [ 270.509061][ T2166] ip6_mroute_setsockopt+0x185/0x12d0 [ 270.509219][ T2166] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 270.509418][ T2166] ? __lock_release+0x103/0x460 [ 270.509570][ T2166] ? __might_fault+0x11b/0x170 [ 270.509728][ T2166] ? trace_lock_acquire+0x14d/0x1f0 [ 270.509885][ T2166] ? __might_fault+0xc3/0x170 [ 270.510046][ T2166] ? lock_acquire+0x32/0xc0 [ 270.510203][ T2166] ? __might_fault+0xc3/0x170 [ 270.510367][ T2166] ? __might_fault+0x11b/0x170 [ 270.510526][ T2166] do_ipv6_setsockopt+0x705/0x34e0 [ 270.510681][ T2166] ? validate_chain+0x130/0xae0 [ 270.510847][ T2166] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 270.511006][ T2166] ? __pfx_validate_chain+0x10/0x10 [ 270.511163][ T2166] ? hlock_class+0x4e/0x130 [ 270.511329][ T2166] ? mark_lock+0x38/0x3e0 [ 270.511454][ T2166] ? __lock_acquire+0xb9a/0x1680 [ 270.511615][ T2166] ? find_held_lock+0x2c/0x110 [ 270.511786][ T2166] ? __lock_release+0x103/0x460 [ 270.511942][ T2166] ? __create_object+0x5e/0xb0 [ 270.512105][ T2166] ? __pfx___lock_release+0x10/0x10 [ 270.512276][ T2166] ? __pfx_validate_chain+0x10/0x10 [ 270.512440][ T2166] ? hlock_class+0x4e/0x130 [ 270.512594][ T2166] ? mark_lock+0x38/0x3e0 [ 270.512720][ T2166] ? ipv6_setsockopt+0x7f/0xe0 [ 270.512890][ T2166] ipv6_setsockopt+0x7f/0xe0 [ 270.513047][ T2166] rawv6_setsockopt+0xb7/0x550 [ 270.513204][ T2166] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 270.513369][ T2166] ? find_held_lock+0x2c/0x110 [ 270.513537][ T2166] ? kfree+0x2d/0x340 [ 270.513653][ T2166] ? __lock_release+0x103/0x460 [ 270.513805][ T2166] ? fd_install+0x1d1/0x5a0 [ 270.513966][ T2166] do_sock_setsockopt+0x149/0x3a0 [ 270.514121][ T2166] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 270.514299][ T2166] __sys_setsockopt+0xec/0x160 [ 270.514463][ T2166] __x64_sys_setsockopt+0xbd/0x160 [ 270.514630][ T2166] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 270.514833][ T2166] do_syscall_64+0xc1/0x1d0 [ 270.515006][ T2166] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 270.515211][ T2166] RIP: 0033:0x7fb9fd38f91e [ 270.515390][ T2166] 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 [ 270.515978][ T2166] RSP: 002b:00007ffc24f833b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 270.516232][ T2166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb9fd38f91e [ 270.516481][ T2166] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 270.516734][ T2166] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 270.516986][ T2166] R10: 00007ffc24f833dc R11: 0000000000000246 R12: 0000000000000000 [ 270.517242][ T2166] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb9fd494000 [ 270.517506][ T2166] [ 270.520382][ T2166] veth0: entered allmulticast mode [ 270.520895][ T2166] veth1: entered allmulticast mode [ 270.521235][ T2166] veth2: entered allmulticast mode [ 270.521573][ T2166] veth3: entered allmulticast mode [ 270.521902][ T2166] veth4: entered allmulticast mode [ 270.522256][ T2166] veth5: entered allmulticast mode [ 297.463466][ T2166] veth0: left allmulticast mode [ 297.463922][ T2166] veth1: left allmulticast mode [ 297.464343][ T2166] veth2: left allmulticast mode [ 297.465119][ T2166] veth3: left allmulticast mode [ 297.465531][ T2166] veth4: left allmulticast mode [ 297.465910][ T2166] veth5: left allmulticast mode