[ 1736.145677][T12274] [ 1736.145797][T12274] ============================= [ 1736.145951][T12274] WARNING: suspicious RCU usage [ 1736.146104][T12274] 6.12.0-rc6-virtme #1 Not tainted [ 1736.146254][T12274] ----------------------------- [ 1736.146412][T12274] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1736.147429][T12274] [ 1736.147429][T12274] other info that might help us debug this: [ 1736.147429][T12274] [ 1736.147734][T12274] [ 1736.147734][T12274] rcu_scheduler_active = 2, debug_locks = 1 [ 1736.147957][T12274] no locks held by smcrouted/12274. [ 1736.148107][T12274] [ 1736.148107][T12274] stack backtrace: [ 1736.148312][T12274] CPU: 1 UID: 0 PID: 12274 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1736.148588][T12274] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1736.148952][T12274] Call Trace: [ 1736.149080][T12274] [ 1736.149164][T12274] dump_stack_lvl+0xb0/0xd0 [ 1736.149329][T12274] lockdep_rcu_suspicious+0x1ea/0x280 [ 1736.149504][T12274] ip6mr_get_table+0x142/0x190 [ 1736.149680][T12274] ip6_mroute_setsockopt+0x185/0x12d0 [ 1736.149849][T12274] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1736.150049][T12274] ? __lock_release+0x103/0x460 [ 1736.150203][T12274] ? __might_fault+0x11b/0x170 [ 1736.150358][T12274] ? trace_lock_acquire+0x14d/0x1f0 [ 1736.150514][T12274] ? __might_fault+0xc3/0x170 [ 1736.150676][T12274] ? lock_acquire+0x32/0xc0 [ 1736.150841][T12274] ? __might_fault+0xc3/0x170 [ 1736.151000][T12274] ? __might_fault+0x11b/0x170 [ 1736.151158][T12274] do_ipv6_setsockopt+0x705/0x34e0 [ 1736.151318][T12274] ? __lock_release+0xe0/0x460 [ 1736.151492][T12274] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1736.151645][T12274] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1736.151799][T12274] ? rcu_read_lock_any_held+0x43/0xb0 [ 1736.151948][T12274] ? validate_chain+0x1fe/0xae0 [ 1736.152098][T12274] ? is_bpf_text_address+0x67/0x120 [ 1736.152255][T12274] ? __pfx_validate_chain+0x10/0x10 [ 1736.152403][T12274] ? hlock_class+0x4e/0x130 [ 1736.152557][T12274] ? mark_lock+0x38/0x3e0 [ 1736.152677][T12274] ? __lock_acquire+0xb3f/0x1580 [ 1736.152837][T12274] ? find_held_lock+0x2c/0x110 [ 1736.152996][T12274] ? ipv6_setsockopt+0x7f/0xe0 [ 1736.153147][T12274] ipv6_setsockopt+0x7f/0xe0 [ 1736.153311][T12274] rawv6_setsockopt+0xb7/0x550 [ 1736.153464][T12274] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1736.153614][T12274] ? __lock_acquire+0xb3f/0x1580 [ 1736.153771][T12274] ? kfree+0x2d/0x340 [ 1736.153894][T12274] do_sock_setsockopt+0x149/0x3a0 [ 1736.154058][T12274] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1736.154208][T12274] ? __lock_release+0x103/0x460 [ 1736.154360][T12274] ? fd_install+0x1d1/0x5a0 [ 1736.154513][T12274] ? trace_lock_acquire+0x14d/0x1f0 [ 1736.154682][T12274] ? fdget+0x52/0x1e0 [ 1736.154806][T12274] __sys_setsockopt+0x104/0x1a0 [ 1736.154966][T12274] ? __pfx___sys_setsockopt+0x10/0x10 [ 1736.155120][T12274] ? __sys_socket+0x168/0x1e0 [ 1736.155275][T12274] ? __pfx___sys_socket+0x10/0x10 [ 1736.155440][T12274] __x64_sys_setsockopt+0xbd/0x160 [ 1736.155592][T12274] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1736.155784][T12274] do_syscall_64+0xc1/0x1d0 [ 1736.155943][T12274] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1736.156132][T12274] RIP: 0033:0x7f0f2675091e [ 1736.156292][T12274] 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 [ 1736.156824][T12274] RSP: 002b:00007ffd772dd7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1736.157057][T12274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f2675091e [ 1736.157336][T12274] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1736.157592][T12274] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1736.157834][T12274] R10: 00007ffd772dd7dc R11: 0000000000000246 R12: 0000000000000000 [ 1736.158071][T12274] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f0f26855000 [ 1736.158309][T12274] [ 1736.173566][T12274] veth0: entered allmulticast mode [ 1736.174096][T12274] veth1: entered allmulticast mode [ 1736.174410][T12274] veth2: entered allmulticast mode [ 1736.174727][T12274] veth3: entered allmulticast mode [ 1736.175033][T12274] veth4: entered allmulticast mode [ 1736.175338][T12274] veth5: entered allmulticast mode [ 1782.384966][T12274] veth0: left allmulticast mode [ 1782.385339][T12274] veth1: left allmulticast mode [ 1782.385597][T12274] veth2: left allmulticast mode [ 1782.385885][T12274] veth3: left allmulticast mode [ 1782.386143][T12274] veth4: left allmulticast mode [ 1782.386403][T12274] veth5: left allmulticast mode