[ 9.511746][ T249] ip (249) used greatest stack depth: 23936 bytes left [ 9.806121][ T258] ip (258) used greatest stack depth: 23616 bytes left [ 10.391921][ T280] [ 10.392047][ T280] ============================= [ 10.392207][ T280] WARNING: suspicious RCU usage [ 10.392362][ T280] 6.12.0-rc7-virtme #1 Not tainted [ 10.392609][ T280] ----------------------------- [ 10.392764][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.392999][ T280] [ 10.392999][ T280] other info that might help us debug this: [ 10.392999][ T280] [ 10.393300][ T280] [ 10.393300][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.393534][ T280] no locks held by smcrouted/280. [ 10.393693][ T280] [ 10.393693][ T280] stack backtrace: [ 10.393889][ T280] CPU: 3 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 10.394138][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.394331][ T280] Call Trace: [ 10.394457][ T280] [ 10.394555][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.394722][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.394886][ T280] ip6mr_get_table+0x142/0x190 [ 10.395045][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.395206][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.395406][ T280] ? __lock_release+0x103/0x460 [ 10.395562][ T280] ? __might_fault+0x11b/0x170 [ 10.395719][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.395882][ T280] ? __might_fault+0xc3/0x170 [ 10.396039][ T280] ? lock_acquire+0x32/0xc0 [ 10.396198][ T280] ? __might_fault+0xc3/0x170 [ 10.396352][ T280] ? __might_fault+0x11b/0x170 [ 10.396515][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.396672][ T280] ? __lock_release+0x10/0x460 [ 10.396827][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.396977][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.397135][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.397291][ T280] ? validate_chain+0x1fe/0xae0 [ 10.397445][ T280] ? is_bpf_text_address+0x67/0x120 [ 10.397604][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.397756][ T280] ? hlock_class+0x4e/0x130 [ 10.397911][ T280] ? mark_lock+0x38/0x3e0 [ 10.398033][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.398193][ T280] ? find_held_lock+0x2c/0x110 [ 10.398351][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.398507][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.398662][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.398817][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.398968][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.399123][ T280] ? kfree+0x2d/0x340 [ 10.399250][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.399405][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.399557][ T280] ? __lock_release+0x103/0x460 [ 10.399707][ T280] ? fd_install+0x1d1/0x5a0 [ 10.399866][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.400022][ T280] ? fdget+0x52/0x1e0 [ 10.400142][ T280] __sys_setsockopt+0x104/0x1a0 [ 10.400296][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.400450][ T280] ? __sys_socket+0x168/0x1e0 [ 10.400607][ T280] ? __pfx___sys_socket+0x10/0x10 [ 10.400760][ T280] ? do_user_addr_fault+0x374/0xe30 [ 10.400918][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.401072][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.401263][ T280] do_syscall_64+0xc1/0x1d0 [ 10.401419][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.401621][ T280] RIP: 0033:0x7f6eb0a7c91e [ 10.401789][ 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 [ 10.402324][ T280] RSP: 002b:00007ffc19e2e828 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.402559][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6eb0a7c91e [ 10.402796][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.403025][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.403254][ T280] R10: 00007ffc19e2e84c R11: 0000000000000246 R12: 0000000000000000 [ 10.403492][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f6eb0b81000 [ 10.403731][ T280] [ 10.406322][ T280] veth0: entered allmulticast mode [ 10.407992][ T280] veth1: entered allmulticast mode [ 10.408317][ T280] veth2: entered allmulticast mode [ 10.408637][ T280] veth3: entered allmulticast mode [ 21.398181][ T367] GACT probability NOT on [ 27.907005][ T280] veth0: left allmulticast mode [ 27.909480][ T280] veth1: left allmulticast mode [ 27.909855][ T280] veth2: left allmulticast mode [ 27.910223][ T280] veth3: left allmulticast mode