[ 193.210036][ T1989] [ 193.210190][ T1989] ============================= [ 193.210369][ T1989] WARNING: suspicious RCU usage [ 193.210878][ T1989] 6.12.0-rc6-virtme #1 Not tainted [ 193.211046][ T1989] ----------------------------- [ 193.211215][ T1989] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 193.211472][ T1989] [ 193.211472][ T1989] other info that might help us debug this: [ 193.211472][ T1989] [ 193.211784][ T1989] [ 193.211784][ T1989] rcu_scheduler_active = 2, debug_locks = 1 [ 193.212445][ T1989] no locks held by smcrouted/1989. [ 193.212621][ T1989] [ 193.212621][ T1989] stack backtrace: [ 193.212832][ T1989] CPU: 0 UID: 0 PID: 1989 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 193.213111][ T1989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 193.213330][ T1989] Call Trace: [ 193.213455][ T1989] [ 193.213542][ T1989] dump_stack_lvl+0xb0/0xd0 [ 193.213725][ T1989] lockdep_rcu_suspicious+0x1ea/0x280 [ 193.213901][ T1989] ip6mr_get_table+0x142/0x190 [ 193.214072][ T1989] ip6_mroute_setsockopt+0x185/0x12d0 [ 193.214237][ T1989] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 193.214441][ T1989] ? __lock_release+0x103/0x460 [ 193.214606][ T1989] ? __might_fault+0x11b/0x170 [ 193.214768][ T1989] ? trace_lock_acquire+0x14d/0x1f0 [ 193.214931][ T1989] ? __might_fault+0xc3/0x170 [ 193.215089][ T1989] ? lock_acquire+0x32/0xc0 [ 193.215270][ T1989] ? __might_fault+0xc3/0x170 [ 193.215446][ T1989] ? __might_fault+0x11b/0x170 [ 193.215618][ T1989] do_ipv6_setsockopt+0x705/0x34e0 [ 193.215779][ T1989] ? __lock_release+0xe0/0x460 [ 193.215939][ T1989] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 193.216103][ T1989] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 193.216305][ T1989] ? rcu_read_lock_any_held+0x43/0xb0 [ 193.216474][ T1989] ? validate_chain+0x1fe/0xae0 [ 193.216638][ T1989] ? is_bpf_text_address+0x67/0x120 [ 193.216807][ T1989] ? __pfx_validate_chain+0x10/0x10 [ 193.216973][ T1989] ? hlock_class+0x4e/0x130 [ 193.217136][ T1989] ? mark_lock+0x38/0x3e0 [ 193.217262][ T1989] ? __lock_acquire+0xb3f/0x1580 [ 193.217443][ T1989] ? find_held_lock+0x2c/0x110 [ 193.217617][ T1989] ? ipv6_setsockopt+0x7f/0xe0 [ 193.217782][ T1989] ipv6_setsockopt+0x7f/0xe0 [ 193.217953][ T1989] rawv6_setsockopt+0xb7/0x550 [ 193.218117][ T1989] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 193.218274][ T1989] ? __lock_acquire+0xb3f/0x1580 [ 193.218436][ T1989] ? kfree+0x2d/0x340 [ 193.218566][ T1989] do_sock_setsockopt+0x149/0x3a0 [ 193.218730][ T1989] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 193.218888][ T1989] ? __lock_release+0x103/0x460 [ 193.219044][ T1989] ? fd_install+0x1d1/0x5a0 [ 193.219228][ T1989] ? trace_lock_acquire+0x14d/0x1f0 [ 193.219389][ T1989] ? fdget+0x52/0x1e0 [ 193.219515][ T1989] __sys_setsockopt+0x104/0x1a0 [ 193.219679][ T1989] ? __pfx___sys_setsockopt+0x10/0x10 [ 193.219835][ T1989] ? __sys_socket+0x168/0x1e0 [ 193.220000][ T1989] ? __pfx___sys_socket+0x10/0x10 [ 193.220172][ T1989] ? do_user_addr_fault+0x374/0xe30 [ 193.220341][ T1989] __x64_sys_setsockopt+0xbd/0x160 [ 193.220503][ T1989] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 193.220714][ T1989] do_syscall_64+0xc1/0x1d0 [ 193.220880][ T1989] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 193.221090][ T1989] RIP: 0033:0x7f9d83de691e [ 193.221262][ T1989] 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 [ 193.221830][ T1989] RSP: 002b:00007ffc38046c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 193.222073][ T1989] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d83de691e [ 193.222316][ T1989] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 193.222555][ T1989] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 193.222792][ T1989] R10: 00007ffc38046cbc R11: 0000000000000246 R12: 0000000000000000 [ 193.223024][ T1989] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f9d83eeb000 [ 193.223283][ T1989] [ 193.226339][ T1989] veth0: entered allmulticast mode [ 193.226922][ T1989] veth1: entered allmulticast mode [ 193.227257][ T1989] veth2: entered allmulticast mode [ 193.227593][ T1989] veth3: entered allmulticast mode [ 193.227913][ T1989] veth4: entered allmulticast mode [ 193.228238][ T1989] veth5: entered allmulticast mode [ 221.090042][ T1989] veth0: left allmulticast mode [ 221.090433][ T1989] veth1: left allmulticast mode [ 221.090712][ T1989] veth2: left allmulticast mode [ 221.090974][ T1989] veth3: left allmulticast mode [ 221.091221][ T1989] veth4: left allmulticast mode [ 221.091740][ T1989] veth5: left allmulticast mode