[ 1329.641558][T15057] [ 1329.641709][T15057] ============================= [ 1329.641896][T15057] WARNING: suspicious RCU usage [ 1329.642135][T15057] 6.12.0-rc7-virtme #1 Not tainted [ 1329.642375][T15057] ----------------------------- [ 1329.642637][T15057] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1329.643003][T15057] [ 1329.643003][T15057] other info that might help us debug this: [ 1329.643003][T15057] [ 1329.643483][T15057] [ 1329.643483][T15057] rcu_scheduler_active = 2, debug_locks = 1 [ 1329.643883][T15057] no locks held by smcrouted/15057. [ 1329.644141][T15057] [ 1329.644141][T15057] stack backtrace: [ 1329.644444][T15057] CPU: 3 UID: 0 PID: 15057 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1329.644888][T15057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1329.645209][T15057] Call Trace: [ 1329.645462][T15057] [ 1329.645615][T15057] dump_stack_lvl+0xb0/0xd0 [ 1329.645901][T15057] lockdep_rcu_suspicious+0x1ea/0x280 [ 1329.646186][T15057] ip6mr_get_table+0x142/0x190 [ 1329.646467][T15057] ip6_mroute_setsockopt+0x185/0x12d0 [ 1329.646745][T15057] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1329.647105][T15057] ? __lock_release+0x103/0x460 [ 1329.647386][T15057] ? __might_fault+0x11b/0x170 [ 1329.647661][T15057] ? trace_lock_acquire+0x14d/0x1f0 [ 1329.647950][T15057] ? __might_fault+0xc3/0x170 [ 1329.648200][T15057] ? lock_acquire+0x32/0xc0 [ 1329.648377][T15057] ? __might_fault+0xc3/0x170 [ 1329.648553][T15057] ? __might_fault+0x11b/0x170 [ 1329.648728][T15057] do_ipv6_setsockopt+0x705/0x34e0 [ 1329.648907][T15057] ? __lock_release+0x10/0x460 [ 1329.649090][T15057] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1329.649285][T15057] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1329.649462][T15057] ? rcu_read_lock_any_held+0x43/0xb0 [ 1329.649641][T15057] ? validate_chain+0x1fe/0xae0 [ 1329.649815][T15057] ? is_bpf_text_address+0x67/0x120 [ 1329.649997][T15057] ? __pfx_validate_chain+0x10/0x10 [ 1329.650209][T15057] ? hlock_class+0x4e/0x130 [ 1329.650390][T15057] ? mark_lock+0x38/0x3e0 [ 1329.650530][T15057] ? __lock_acquire+0xb3f/0x1580 [ 1329.650709][T15057] ? find_held_lock+0x2c/0x110 [ 1329.650894][T15057] ? ipv6_setsockopt+0x7f/0xe0 [ 1329.651087][T15057] ipv6_setsockopt+0x7f/0xe0 [ 1329.651271][T15057] rawv6_setsockopt+0xb7/0x550 [ 1329.651446][T15057] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1329.651621][T15057] ? __lock_acquire+0xb3f/0x1580 [ 1329.651800][T15057] ? kfree+0x2d/0x340 [ 1329.651938][T15057] do_sock_setsockopt+0x149/0x3a0 [ 1329.652123][T15057] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1329.652322][T15057] ? __lock_release+0x103/0x460 [ 1329.652493][T15057] ? fd_install+0x1d1/0x5a0 [ 1329.652667][T15057] ? trace_lock_acquire+0x14d/0x1f0 [ 1329.652842][T15057] ? fdget+0x52/0x1e0 [ 1329.652976][T15057] __sys_setsockopt+0x104/0x1a0 [ 1329.653160][T15057] ? __pfx___sys_setsockopt+0x10/0x10 [ 1329.653334][T15057] ? __sys_socket+0x168/0x1e0 [ 1329.653510][T15057] ? __pfx___sys_socket+0x10/0x10 [ 1329.653680][T15057] ? do_user_addr_fault+0x374/0xe30 [ 1329.653866][T15057] __x64_sys_setsockopt+0xbd/0x160 [ 1329.654034][T15057] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1329.654257][T15057] do_syscall_64+0xc1/0x1d0 [ 1329.654431][T15057] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1329.654651][T15057] RIP: 0033:0x7f209c36391e [ 1329.654834][T15057] 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 [ 1329.655451][T15057] RSP: 002b:00007ffcc3c04128 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1329.655716][T15057] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f209c36391e [ 1329.655997][T15057] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1329.656267][T15057] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1329.656535][T15057] R10: 00007ffcc3c0414c R11: 0000000000000246 R12: 0000000000000000 [ 1329.656792][T15057] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f209c468000 [ 1329.657062][T15057] [ 1329.663079][T15057] veth0: entered allmulticast mode [ 1329.663789][T15057] veth1: entered allmulticast mode [ 1329.664209][T15057] veth2: entered allmulticast mode [ 1329.664693][T15057] veth3: entered allmulticast mode [ 1329.665114][T15057] veth4: entered allmulticast mode [ 1329.667593][T15057] veth5: entered allmulticast mode [ 1356.030867][T15057] veth0: left allmulticast mode [ 1356.031317][T15057] veth1: left allmulticast mode [ 1356.031627][T15057] veth2: left allmulticast mode [ 1356.031922][T15057] veth3: left allmulticast mode [ 1356.032207][T15057] veth4: left allmulticast mode [ 1356.032494][T15057] veth5: left allmulticast mode