[ 1304.081649][ T9958] [ 1304.081835][ T9958] ============================= [ 1304.082053][ T9958] WARNING: suspicious RCU usage [ 1304.082380][ T9958] 6.12.0-rc6-virtme #1 Not tainted [ 1304.082607][ T9958] ----------------------------- [ 1304.082832][ T9958] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1304.083164][ T9958] [ 1304.083164][ T9958] other info that might help us debug this: [ 1304.083164][ T9958] [ 1304.083561][ T9958] [ 1304.083561][ T9958] rcu_scheduler_active = 2, debug_locks = 1 [ 1304.083906][ T9958] no locks held by smcrouted/9958. [ 1304.084101][ T9958] [ 1304.084101][ T9958] stack backtrace: [ 1304.084365][ T9958] CPU: 0 UID: 0 PID: 9958 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1304.084706][ T9958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1304.084944][ T9958] Call Trace: [ 1304.085101][ T9958] <TASK> [ 1304.085208][ T9958] dump_stack_lvl+0xb0/0xd0 [ 1304.085423][ T9958] lockdep_rcu_suspicious+0x1ea/0x280 [ 1304.085658][ T9958] ip6mr_get_table+0x142/0x190 [ 1304.085861][ T9958] ip6_mroute_setsockopt+0x185/0x12d0 [ 1304.086062][ T9958] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1304.086319][ T9958] ? __lock_release+0x103/0x460 [ 1304.086524][ T9958] ? __might_fault+0x11b/0x170 [ 1304.086723][ T9958] ? trace_lock_acquire+0x14d/0x1f0 [ 1304.086928][ T9958] ? __might_fault+0xc3/0x170 [ 1304.087131][ T9958] ? lock_acquire+0x32/0xc0 [ 1304.087367][ T9958] ? __might_fault+0xc3/0x170 [ 1304.087562][ T9958] ? __might_fault+0x11b/0x170 [ 1304.087771][ T9958] do_ipv6_setsockopt+0x705/0x34e0 [ 1304.087976][ T9958] ? __lock_release+0xe0/0x460 [ 1304.088168][ T9958] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1304.088379][ T9958] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1304.088603][ T9958] ? rcu_read_lock_any_held+0x43/0xb0 [ 1304.088803][ T9958] ? validate_chain+0x1fe/0xae0 [ 1304.089001][ T9958] ? is_bpf_text_address+0x67/0x120 [ 1304.089220][ T9958] ? __pfx_validate_chain+0x10/0x10 [ 1304.089427][ T9958] ? hlock_class+0x4e/0x130 [ 1304.089628][ T9958] ? mark_lock+0x38/0x3e0 [ 1304.089781][ T9958] ? __lock_acquire+0xb3f/0x1580 [ 1304.089994][ T9958] ? find_held_lock+0x2c/0x110 [ 1304.090209][ T9958] ? ipv6_setsockopt+0x7f/0xe0 [ 1304.090466][ T9958] ipv6_setsockopt+0x7f/0xe0 [ 1304.090663][ T9958] rawv6_setsockopt+0xb7/0x550 [ 1304.090864][ T9958] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1304.091057][ T9958] ? __lock_acquire+0xb3f/0x1580 [ 1304.091275][ T9958] ? kfree+0x2d/0x340 [ 1304.091450][ T9958] do_sock_setsockopt+0x149/0x3a0 [ 1304.091695][ T9958] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1304.091892][ T9958] ? __lock_release+0x103/0x460 [ 1304.092086][ T9958] ? fd_install+0x1d1/0x5a0 [ 1304.092289][ T9958] ? trace_lock_acquire+0x14d/0x1f0 [ 1304.092492][ T9958] ? fdget+0x52/0x1e0 [ 1304.092649][ T9958] __sys_setsockopt+0x104/0x1a0 [ 1304.092853][ T9958] ? __pfx___sys_setsockopt+0x10/0x10 [ 1304.093046][ T9958] ? __sys_socket+0x168/0x1e0 [ 1304.093251][ T9958] ? __pfx___sys_socket+0x10/0x10 [ 1304.093452][ T9958] ? do_user_addr_fault+0x374/0xe30 [ 1304.093664][ T9958] __x64_sys_setsockopt+0xbd/0x160 [ 1304.093868][ T9958] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1304.094123][ T9958] do_syscall_64+0xc1/0x1d0 [ 1304.094324][ T9958] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1304.094568][ T9958] RIP: 0033:0x7f1a12aac91e [ 1304.094773][ T9958] 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 [ 1304.095494][ T9958] RSP: 002b:00007ffec4fc0cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1304.095804][ T9958] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a12aac91e [ 1304.096103][ T9958] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1304.096471][ T9958] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1304.096761][ T9958] R10: 00007ffec4fc0cfc R11: 0000000000000246 R12: 0000000000000000 [ 1304.097062][ T9958] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1a12bb1000 [ 1304.097372][ T9958] </TASK> [ 1304.101075][ T9958] veth0: entered allmulticast mode [ 1304.102090][ T9958] veth1: entered allmulticast mode [ 1304.102536][ T9958] veth2: entered allmulticast mode [ 1304.102913][ T9958] veth3: entered allmulticast mode [ 1322.840489][ T9958] veth0: left allmulticast mode [ 1322.840848][ T9958] veth1: left allmulticast mode [ 1322.841110][ T9958] veth2: left allmulticast mode [ 1322.841389][ T9958] veth3: left allmulticast mode