[ 1340.898661][T17442] [ 1340.898849][T17442] ============================= [ 1340.899037][T17442] WARNING: suspicious RCU usage [ 1340.899215][T17442] 6.12.0-rc7-virtme #1 Not tainted [ 1340.899412][T17442] ----------------------------- [ 1340.899588][T17442] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1340.900450][T17442] [ 1340.900450][T17442] other info that might help us debug this: [ 1340.900450][T17442] [ 1340.900803][T17442] [ 1340.900803][T17442] rcu_scheduler_active = 2, debug_locks = 1 [ 1340.901075][T17442] no locks held by smcrouted/17442. [ 1340.901263][T17442] [ 1340.901263][T17442] stack backtrace: [ 1340.901535][T17442] CPU: 2 UID: 0 PID: 17442 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1340.901847][T17442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1340.902066][T17442] Call Trace: [ 1340.902211][T17442] [ 1340.902310][T17442] dump_stack_lvl+0xb0/0xd0 [ 1340.902499][T17442] lockdep_rcu_suspicious+0x1ea/0x280 [ 1340.902683][T17442] ip6mr_get_table+0x142/0x190 [ 1340.902862][T17442] ip6_mroute_setsockopt+0x185/0x12d0 [ 1340.903048][T17442] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1340.903273][T17442] ? __lock_release+0x103/0x460 [ 1340.903455][T17442] ? __might_fault+0x11b/0x170 [ 1340.903630][T17442] ? trace_lock_acquire+0x14d/0x1f0 [ 1340.903806][T17442] ? __might_fault+0xc3/0x170 [ 1340.903979][T17442] ? lock_acquire+0x32/0xc0 [ 1340.904159][T17442] ? __might_fault+0xc3/0x170 [ 1340.904330][T17442] ? __might_fault+0x11b/0x170 [ 1340.904507][T17442] do_ipv6_setsockopt+0x705/0x34e0 [ 1340.904682][T17442] ? __lock_release+0x10/0x460 [ 1340.904853][T17442] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1340.905019][T17442] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1340.905193][T17442] ? rcu_read_lock_any_held+0x43/0xb0 [ 1340.905364][T17442] ? validate_chain+0x1fe/0xae0 [ 1340.905541][T17442] ? is_bpf_text_address+0x67/0x120 [ 1340.905725][T17442] ? __pfx_validate_chain+0x10/0x10 [ 1340.905895][T17442] ? hlock_class+0x4e/0x130 [ 1340.906064][T17442] ? mark_lock+0x38/0x3e0 [ 1340.906200][T17442] ? __lock_acquire+0xb3f/0x1580 [ 1340.906380][T17442] ? find_held_lock+0x2c/0x110 [ 1340.906558][T17442] ? ipv6_setsockopt+0x7f/0xe0 [ 1340.906727][T17442] ipv6_setsockopt+0x7f/0xe0 [ 1340.906900][T17442] rawv6_setsockopt+0xb7/0x550 [ 1340.907079][T17442] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1340.907253][T17442] ? __lock_acquire+0xb3f/0x1580 [ 1340.907426][T17442] ? kfree+0x2d/0x340 [ 1340.907563][T17442] do_sock_setsockopt+0x149/0x3a0 [ 1340.907734][T17442] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1340.907906][T17442] ? __lock_release+0x103/0x460 [ 1340.908075][T17442] ? fd_install+0x1d1/0x5a0 [ 1340.908295][T17442] ? trace_lock_acquire+0x14d/0x1f0 [ 1340.908480][T17442] ? fdget+0x52/0x1e0 [ 1340.908617][T17442] __sys_setsockopt+0x104/0x1a0 [ 1340.908795][T17442] ? __pfx___sys_setsockopt+0x10/0x10 [ 1340.908967][T17442] ? __sys_socket+0x168/0x1e0 [ 1340.909142][T17442] ? __pfx___sys_socket+0x10/0x10 [ 1340.909315][T17442] ? do_user_addr_fault+0x374/0xe30 [ 1340.909487][T17442] __x64_sys_setsockopt+0xbd/0x160 [ 1340.909655][T17442] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1340.909871][T17442] do_syscall_64+0xc1/0x1d0 [ 1340.910048][T17442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1340.910265][T17442] RIP: 0033:0x7fdb1bfad91e [ 1340.910447][T17442] 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 [ 1340.911039][T17442] RSP: 002b:00007fff36454b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1340.911304][T17442] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb1bfad91e [ 1340.911560][T17442] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1340.911817][T17442] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1340.912077][T17442] R10: 00007fff36454b8c R11: 0000000000000246 R12: 0000000000000000 [ 1340.912334][T17442] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fdb1c0b2000 [ 1340.912608][T17442] [ 1340.917033][T17442] veth0: entered allmulticast mode [ 1340.917798][T17442] veth1: entered allmulticast mode [ 1340.918166][T17442] veth2: entered allmulticast mode [ 1340.918578][T17442] veth3: entered allmulticast mode [ 1340.918927][T17442] veth4: entered allmulticast mode [ 1340.919964][T17442] veth5: entered allmulticast mode [ 1366.135575][T17442] veth0: left allmulticast mode [ 1366.142226][T17442] veth1: left allmulticast mode [ 1366.142519][T17442] veth2: left allmulticast mode [ 1366.143055][T17442] veth3: left allmulticast mode [ 1366.143318][T17442] veth4: left allmulticast mode [ 1366.143550][T17442] veth5: left allmulticast mode