[ 1321.934673][T15759] [ 1321.934805][T15759] ============================= [ 1321.934972][T15759] WARNING: suspicious RCU usage [ 1321.935131][T15759] 6.12.0-rc7-virtme #1 Not tainted [ 1321.935303][T15759] ----------------------------- [ 1321.935462][T15759] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1321.935692][T15759] [ 1321.935692][T15759] other info that might help us debug this: [ 1321.935692][T15759] [ 1321.936031][T15759] [ 1321.936031][T15759] rcu_scheduler_active = 2, debug_locks = 1 [ 1321.936272][T15759] no locks held by smcrouted/15759. [ 1321.937247][T15759] [ 1321.937247][T15759] stack backtrace: [ 1321.937553][T15759] CPU: 0 UID: 0 PID: 15759 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1321.937826][T15759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1321.938025][T15759] Call Trace: [ 1321.938147][T15759] [ 1321.938231][T15759] dump_stack_lvl+0xb0/0xd0 [ 1321.938403][T15759] lockdep_rcu_suspicious+0x1ea/0x280 [ 1321.938570][T15759] ip6mr_get_table+0x142/0x190 [ 1321.938741][T15759] ip6_mroute_setsockopt+0x185/0x12d0 [ 1321.938902][T15759] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1321.939103][T15759] ? __lock_release+0x103/0x460 [ 1321.939260][T15759] ? __might_fault+0x11b/0x170 [ 1321.939445][T15759] ? trace_lock_acquire+0x14d/0x1f0 [ 1321.939607][T15759] ? __might_fault+0xc3/0x170 [ 1321.939788][T15759] ? lock_acquire+0x32/0xc0 [ 1321.939950][T15759] ? __might_fault+0xc3/0x170 [ 1321.940109][T15759] ? __might_fault+0x11b/0x170 [ 1321.940271][T15759] do_ipv6_setsockopt+0x705/0x34e0 [ 1321.940432][T15759] ? __lock_release+0x10/0x460 [ 1321.940590][T15759] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1321.940744][T15759] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1321.940909][T15759] ? rcu_read_lock_any_held+0x43/0xb0 [ 1321.941066][T15759] ? validate_chain+0x1fe/0xae0 [ 1321.941223][T15759] ? is_bpf_text_address+0x67/0x120 [ 1321.941385][T15759] ? __pfx_validate_chain+0x10/0x10 [ 1321.941539][T15759] ? hlock_class+0x4e/0x130 [ 1321.941694][T15759] ? mark_lock+0x38/0x3e0 [ 1321.941821][T15759] ? __lock_acquire+0xb3f/0x1580 [ 1321.941983][T15759] ? find_held_lock+0x2c/0x110 [ 1321.942153][T15759] ? ipv6_setsockopt+0x7f/0xe0 [ 1321.942308][T15759] ipv6_setsockopt+0x7f/0xe0 [ 1321.942468][T15759] rawv6_setsockopt+0xb7/0x550 [ 1321.942626][T15759] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1321.942781][T15759] ? __lock_acquire+0xb3f/0x1580 [ 1321.942945][T15759] ? kfree+0x2d/0x340 [ 1321.943071][T15759] do_sock_setsockopt+0x149/0x3a0 [ 1321.943230][T15759] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1321.943388][T15759] ? __lock_release+0x103/0x460 [ 1321.943544][T15759] ? fd_install+0x1d1/0x5a0 [ 1321.943707][T15759] ? trace_lock_acquire+0x14d/0x1f0 [ 1321.943867][T15759] ? fdget+0x52/0x1e0 [ 1321.943991][T15759] __sys_setsockopt+0x104/0x1a0 [ 1321.944152][T15759] ? __pfx___sys_setsockopt+0x10/0x10 [ 1321.944312][T15759] ? __sys_socket+0x168/0x1e0 [ 1321.944473][T15759] ? __pfx___sys_socket+0x10/0x10 [ 1321.944631][T15759] ? do_user_addr_fault+0x374/0xe30 [ 1321.944797][T15759] __x64_sys_setsockopt+0xbd/0x160 [ 1321.944955][T15759] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1321.945146][T15759] do_syscall_64+0xc1/0x1d0 [ 1321.945306][T15759] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1321.945502][T15759] RIP: 0033:0x7fe644f8591e [ 1321.945669][T15759] 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 [ 1321.946226][T15759] RSP: 002b:00007fffd858d398 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1321.946463][T15759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe644f8591e [ 1321.946698][T15759] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1321.946930][T15759] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1321.947169][T15759] R10: 00007fffd858d3bc R11: 0000000000000246 R12: 0000000000000000 [ 1321.947407][T15759] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe64508a000 [ 1321.947652][T15759] [ 1321.963844][T15759] veth0: entered allmulticast mode [ 1321.964507][T15759] veth1: entered allmulticast mode [ 1321.964950][T15759] veth2: entered allmulticast mode [ 1321.965411][T15759] veth3: entered allmulticast mode [ 1321.965783][T15759] veth4: entered allmulticast mode [ 1321.966234][T15759] veth5: entered allmulticast mode [ 1346.946351][T15759] veth0: left allmulticast mode [ 1346.946650][T15759] veth1: left allmulticast mode [ 1346.946885][T15759] veth2: left allmulticast mode [ 1346.947118][T15759] veth3: left allmulticast mode [ 1346.947366][T15759] veth4: left allmulticast mode [ 1346.947599][T15759] veth5: left allmulticast mode