[ 1297.367468][T15424] [ 1297.367591][T15424] ============================= [ 1297.367766][T15424] WARNING: suspicious RCU usage [ 1297.367937][T15424] 6.12.0-rc7-virtme #1 Not tainted [ 1297.368132][T15424] ----------------------------- [ 1297.368302][T15424] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1297.368556][T15424] [ 1297.368556][T15424] other info that might help us debug this: [ 1297.368556][T15424] [ 1297.368885][T15424] [ 1297.368885][T15424] rcu_scheduler_active = 2, debug_locks = 1 [ 1297.369145][T15424] no locks held by smcrouted/15424. [ 1297.369315][T15424] [ 1297.369315][T15424] stack backtrace: [ 1297.369523][T15424] CPU: 1 UID: 0 PID: 15424 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1297.369817][T15424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1297.370032][T15424] Call Trace: [ 1297.370165][T15424] [ 1297.370261][T15424] dump_stack_lvl+0xb0/0xd0 [ 1297.370451][T15424] lockdep_rcu_suspicious+0x1ea/0x280 [ 1297.370614][T15424] ip6mr_get_table+0x142/0x190 [ 1297.370779][T15424] ip6_mroute_setsockopt+0x185/0x12d0 [ 1297.370951][T15424] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1297.371162][T15424] ? __lock_release+0x103/0x460 [ 1297.371332][T15424] ? __might_fault+0x11b/0x170 [ 1297.371502][T15424] ? trace_lock_acquire+0x14d/0x1f0 [ 1297.371674][T15424] ? __might_fault+0xc3/0x170 [ 1297.371846][T15424] ? lock_acquire+0x32/0xc0 [ 1297.372006][T15424] ? __might_fault+0xc3/0x170 [ 1297.372159][T15424] ? __might_fault+0x11b/0x170 [ 1297.372318][T15424] do_ipv6_setsockopt+0x705/0x34e0 [ 1297.372477][T15424] ? __lock_release+0x10/0x460 [ 1297.372632][T15424] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1297.372782][T15424] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1297.372939][T15424] ? rcu_read_lock_any_held+0x43/0xb0 [ 1297.373097][T15424] ? validate_chain+0x1fe/0xae0 [ 1297.373251][T15424] ? is_bpf_text_address+0x67/0x120 [ 1297.373409][T15424] ? __pfx_validate_chain+0x10/0x10 [ 1297.373572][T15424] ? hlock_class+0x4e/0x130 [ 1297.373738][T15424] ? mark_lock+0x38/0x3e0 [ 1297.373862][T15424] ? __lock_acquire+0xb3f/0x1580 [ 1297.374023][T15424] ? find_held_lock+0x2c/0x110 [ 1297.374183][T15424] ? ipv6_setsockopt+0x7f/0xe0 [ 1297.374351][T15424] ipv6_setsockopt+0x7f/0xe0 [ 1297.374516][T15424] rawv6_setsockopt+0xb7/0x550 [ 1297.374674][T15424] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1297.374828][T15424] ? __lock_acquire+0xb3f/0x1580 [ 1297.374988][T15424] ? kfree+0x2d/0x340 [ 1297.375113][T15424] do_sock_setsockopt+0x149/0x3a0 [ 1297.375281][T15424] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1297.375434][T15424] ? __lock_release+0x103/0x460 [ 1297.375589][T15424] ? fd_install+0x1d1/0x5a0 [ 1297.375774][T15424] ? trace_lock_acquire+0x14d/0x1f0 [ 1297.375949][T15424] ? fdget+0x52/0x1e0 [ 1297.376079][T15424] __sys_setsockopt+0x104/0x1a0 [ 1297.376242][T15424] ? __pfx___sys_setsockopt+0x10/0x10 [ 1297.376397][T15424] ? __sys_socket+0x168/0x1e0 [ 1297.376556][T15424] ? __pfx___sys_socket+0x10/0x10 [ 1297.376711][T15424] ? do_user_addr_fault+0x97c/0xe30 [ 1297.376871][T15424] __x64_sys_setsockopt+0xbd/0x160 [ 1297.377034][T15424] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1297.377230][T15424] do_syscall_64+0xc1/0x1d0 [ 1297.377413][T15424] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1297.377637][T15424] RIP: 0033:0x7fbc1eb8e91e [ 1297.377831][T15424] 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 [ 1297.378456][T15424] RSP: 002b:00007ffec4d986e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1297.378744][T15424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc1eb8e91e [ 1297.379014][T15424] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1297.379287][T15424] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1297.379542][T15424] R10: 00007ffec4d9870c R11: 0000000000000246 R12: 0000000000000000 [ 1297.379797][T15424] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fbc1ec93000 [ 1297.380060][T15424] [ 1297.383312][T15424] veth0: entered allmulticast mode [ 1297.383842][T15424] veth1: entered allmulticast mode [ 1297.384199][T15424] veth2: entered allmulticast mode [ 1297.384539][T15424] veth3: entered allmulticast mode [ 1297.384855][T15424] veth4: entered allmulticast mode [ 1297.385200][T15424] veth5: entered allmulticast mode [ 1322.010184][T15424] veth0: left allmulticast mode [ 1322.010557][T15424] veth1: left allmulticast mode [ 1322.010793][T15424] veth2: left allmulticast mode [ 1322.011030][T15424] veth3: left allmulticast mode [ 1322.011276][T15424] veth4: left allmulticast mode [ 1322.011504][T15424] veth5: left allmulticast mode