[ 1321.175613][T11113] [ 1321.175797][T11113] ============================= [ 1321.175967][T11113] WARNING: suspicious RCU usage [ 1321.176126][T11113] 6.12.0-rc6-virtme #1 Not tainted [ 1321.176280][T11113] ----------------------------- [ 1321.176450][T11113] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1321.176685][T11113] [ 1321.176685][T11113] other info that might help us debug this: [ 1321.176685][T11113] [ 1321.177000][T11113] [ 1321.177000][T11113] rcu_scheduler_active = 2, debug_locks = 1 [ 1321.177237][T11113] no locks held by smcrouted/11113. [ 1321.177417][T11113] [ 1321.177417][T11113] stack backtrace: [ 1321.177617][T11113] CPU: 0 UID: 0 PID: 11113 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1321.177898][T11113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1321.178100][T11113] Call Trace: [ 1321.178228][T11113] [ 1321.178319][T11113] dump_stack_lvl+0xb0/0xd0 [ 1321.178489][T11113] lockdep_rcu_suspicious+0x1ea/0x280 [ 1321.178657][T11113] ip6mr_get_table+0x142/0x190 [ 1321.178821][T11113] ip6_mroute_setsockopt+0x185/0x12d0 [ 1321.178992][T11113] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1321.179195][T11113] ? __lock_release+0x103/0x460 [ 1321.179353][T11113] ? __might_fault+0x11b/0x170 [ 1321.179514][T11113] ? trace_lock_acquire+0x14d/0x1f0 [ 1321.179683][T11113] ? __might_fault+0xc3/0x170 [ 1321.179842][T11113] ? lock_acquire+0x32/0xc0 [ 1321.180000][T11113] ? __might_fault+0xc3/0x170 [ 1321.180158][T11113] ? __might_fault+0x11b/0x170 [ 1321.180329][T11113] do_ipv6_setsockopt+0x705/0x34e0 [ 1321.180490][T11113] ? __lock_release+0xe0/0x460 [ 1321.180649][T11113] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1321.180811][T11113] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1321.180978][T11113] ? rcu_read_lock_any_held+0x43/0xb0 [ 1321.181137][T11113] ? validate_chain+0x1fe/0xae0 [ 1321.181304][T11113] ? is_bpf_text_address+0x67/0x120 [ 1321.181470][T11113] ? __pfx_validate_chain+0x10/0x10 [ 1321.181630][T11113] ? hlock_class+0x4e/0x130 [ 1321.181796][T11113] ? mark_lock+0x38/0x3e0 [ 1321.181943][T11113] ? __lock_acquire+0xb3f/0x1580 [ 1321.182120][T11113] ? find_held_lock+0x2c/0x110 [ 1321.182299][T11113] ? ipv6_setsockopt+0x7f/0xe0 [ 1321.182458][T11113] ipv6_setsockopt+0x7f/0xe0 [ 1321.182620][T11113] rawv6_setsockopt+0xb7/0x550 [ 1321.182784][T11113] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1321.182944][T11113] ? __lock_acquire+0xb3f/0x1580 [ 1321.183106][T11113] ? kfree+0x2d/0x340 [ 1321.183234][T11113] do_sock_setsockopt+0x149/0x3a0 [ 1321.183393][T11113] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1321.183555][T11113] ? __lock_release+0x103/0x460 [ 1321.183716][T11113] ? fd_install+0x1d1/0x5a0 [ 1321.183895][T11113] ? trace_lock_acquire+0x14d/0x1f0 [ 1321.184063][T11113] ? fdget+0x52/0x1e0 [ 1321.184190][T11113] __sys_setsockopt+0x104/0x1a0 [ 1321.184351][T11113] ? __pfx___sys_setsockopt+0x10/0x10 [ 1321.184512][T11113] ? __sys_socket+0x168/0x1e0 [ 1321.184673][T11113] ? __pfx___sys_socket+0x10/0x10 [ 1321.184842][T11113] ? do_user_addr_fault+0x374/0xe30 [ 1321.185005][T11113] __x64_sys_setsockopt+0xbd/0x160 [ 1321.185163][T11113] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1321.185365][T11113] do_syscall_64+0xc1/0x1d0 [ 1321.185527][T11113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1321.185729][T11113] RIP: 0033:0x7f6bb481a91e [ 1321.185903][T11113] 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 [ 1321.186471][T11113] RSP: 002b:00007ffd7e5607b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1321.186903][T11113] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6bb481a91e [ 1321.187151][T11113] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1321.187399][T11113] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1321.187644][T11113] R10: 00007ffd7e5607dc R11: 0000000000000246 R12: 0000000000000000 [ 1321.187888][T11113] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f6bb491f000 [ 1321.188143][T11113] [ 1321.192829][T11113] veth0: entered allmulticast mode [ 1321.194243][T11113] veth1: entered allmulticast mode [ 1321.194598][T11113] veth2: entered allmulticast mode [ 1321.194925][T11113] veth3: entered allmulticast mode [ 1321.195241][T11113] veth4: entered allmulticast mode [ 1321.195582][T11113] veth5: entered allmulticast mode [ 1346.356822][T11113] veth0: left allmulticast mode [ 1346.357122][T11113] veth1: left allmulticast mode [ 1346.357377][T11113] veth2: left allmulticast mode [ 1346.357613][T11113] veth3: left allmulticast mode [ 1346.357845][T11113] veth4: left allmulticast mode [ 1346.358076][T11113] veth5: left allmulticast mode