[ 1331.726822][T17626] [ 1331.726961][T17626] ============================= [ 1331.727145][T17626] WARNING: suspicious RCU usage [ 1331.727363][T17626] 6.12.0-rc6-virtme #1 Not tainted [ 1331.728354][T17626] ----------------------------- [ 1331.728598][T17626] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1331.728854][T17626] [ 1331.728854][T17626] other info that might help us debug this: [ 1331.728854][T17626] [ 1331.729194][T17626] [ 1331.729194][T17626] rcu_scheduler_active = 2, debug_locks = 1 [ 1331.729448][T17626] no locks held by smcrouted/17626. [ 1331.729619][T17626] [ 1331.729619][T17626] stack backtrace: [ 1331.729818][T17626] CPU: 3 UID: 0 PID: 17626 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1331.730095][T17626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1331.730294][T17626] Call Trace: [ 1331.730419][T17626] <TASK> [ 1331.730506][T17626] dump_stack_lvl+0xb0/0xd0 [ 1331.730675][T17626] lockdep_rcu_suspicious+0x1ea/0x280 [ 1331.730836][T17626] ip6mr_get_table+0x142/0x190 [ 1331.731003][T17626] ip6_mroute_setsockopt+0x185/0x12d0 [ 1331.731163][T17626] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1331.731372][T17626] ? __lock_release+0x103/0x460 [ 1331.731530][T17626] ? __might_fault+0x11b/0x170 [ 1331.731699][T17626] ? trace_lock_acquire+0x14d/0x1f0 [ 1331.731858][T17626] ? __might_fault+0xc3/0x170 [ 1331.732013][T17626] ? lock_acquire+0x32/0xc0 [ 1331.732167][T17626] ? __might_fault+0xc3/0x170 [ 1331.732326][T17626] ? __might_fault+0x11b/0x170 [ 1331.732489][T17626] do_ipv6_setsockopt+0x705/0x34e0 [ 1331.732646][T17626] ? __lock_release+0xe0/0x460 [ 1331.732814][T17626] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1331.732974][T17626] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1331.733136][T17626] ? rcu_read_lock_any_held+0x43/0xb0 [ 1331.733294][T17626] ? validate_chain+0x1fe/0xae0 [ 1331.733450][T17626] ? is_bpf_text_address+0x67/0x120 [ 1331.733614][T17626] ? __pfx_validate_chain+0x10/0x10 [ 1331.733770][T17626] ? hlock_class+0x4e/0x130 [ 1331.733926][T17626] ? mark_lock+0x38/0x3e0 [ 1331.734050][T17626] ? __lock_acquire+0xb3f/0x1580 [ 1331.734224][T17626] ? find_held_lock+0x2c/0x110 [ 1331.734392][T17626] ? ipv6_setsockopt+0x7f/0xe0 [ 1331.734550][T17626] ipv6_setsockopt+0x7f/0xe0 [ 1331.734709][T17626] rawv6_setsockopt+0xb7/0x550 [ 1331.734869][T17626] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1331.735023][T17626] ? __lock_acquire+0xb3f/0x1580 [ 1331.735195][T17626] ? kfree+0x2d/0x340 [ 1331.735326][T17626] do_sock_setsockopt+0x149/0x3a0 [ 1331.735493][T17626] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1331.735662][T17626] ? __lock_release+0x103/0x460 [ 1331.735831][T17626] ? fd_install+0x1d1/0x5a0 [ 1331.736002][T17626] ? trace_lock_acquire+0x14d/0x1f0 [ 1331.736177][T17626] ? fdget+0x52/0x1e0 [ 1331.736310][T17626] __sys_setsockopt+0x104/0x1a0 [ 1331.736481][T17626] ? __pfx___sys_setsockopt+0x10/0x10 [ 1331.736645][T17626] ? __sys_socket+0x168/0x1e0 [ 1331.736801][T17626] ? __pfx___sys_socket+0x10/0x10 [ 1331.736963][T17626] ? do_user_addr_fault+0x374/0xe30 [ 1331.737122][T17626] __x64_sys_setsockopt+0xbd/0x160 [ 1331.737283][T17626] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1331.737495][T17626] do_syscall_64+0xc1/0x1d0 [ 1331.737667][T17626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1331.737870][T17626] RIP: 0033:0x7f434fe5691e [ 1331.738046][T17626] 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 [ 1331.738629][T17626] RSP: 002b:00007ffe5e8f5478 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1331.738889][T17626] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f434fe5691e [ 1331.739143][T17626] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1331.739401][T17626] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1331.739665][T17626] R10: 00007ffe5e8f549c R11: 0000000000000246 R12: 0000000000000000 [ 1331.739921][T17626] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f434ff5b000 [ 1331.740191][T17626] </TASK> [ 1331.743591][T17626] veth0: entered allmulticast mode [ 1331.744197][T17626] veth1: entered allmulticast mode [ 1331.744581][T17626] veth2: entered allmulticast mode [ 1331.744902][T17626] veth3: entered allmulticast mode [ 1331.745216][T17626] veth4: entered allmulticast mode [ 1331.745550][T17626] veth5: entered allmulticast mode [ 1356.280453][T17626] veth0: left allmulticast mode [ 1356.282101][T17626] veth1: left allmulticast mode [ 1356.282350][T17626] veth2: left allmulticast mode [ 1356.282601][T17626] veth3: left allmulticast mode [ 1356.282837][T17626] veth4: left allmulticast mode [ 1356.283059][T17626] veth5: left allmulticast mode