[ 431.133456][ T2330] [ 431.133581][ T2330] ============================= [ 431.133732][ T2330] WARNING: suspicious RCU usage [ 431.133883][ T2330] 6.12.0-rc4-virtme #1 Not tainted [ 431.134031][ T2330] ----------------------------- [ 431.134178][ T2330] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 431.134491][ T2330] [ 431.134491][ T2330] other info that might help us debug this: [ 431.134491][ T2330] [ 431.134773][ T2330] [ 431.134773][ T2330] rcu_scheduler_active = 2, debug_locks = 1 [ 431.134994][ T2330] no locks held by smcrouted/2330. [ 431.135141][ T2330] [ 431.135141][ T2330] stack backtrace: [ 431.135352][ T2330] CPU: 0 UID: 0 PID: 2330 Comm: smcrouted Not tainted 6.12.0-rc4-virtme #1 [ 431.135612][ T2330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 431.135939][ T2330] Call Trace: [ 431.136062][ T2330] [ 431.136150][ T2330] dump_stack_lvl+0xb0/0xd0 [ 431.136324][ T2330] lockdep_rcu_suspicious+0x1ea/0x280 [ 431.136783][ T2330] ip6mr_get_table+0x142/0x190 [ 431.136936][ T2330] ip6_mroute_setsockopt+0x185/0x12d0 [ 431.137088][ T2330] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 431.137295][ T2330] ? find_held_lock+0x2c/0x110 [ 431.137451][ T2330] ? __lock_release+0x103/0x460 [ 431.137596][ T2330] ? __might_fault+0x11b/0x170 [ 431.137743][ T2330] ? __pfx___lock_release+0x10/0x10 [ 431.137893][ T2330] ? trace_lock_acquire+0x14d/0x1f0 [ 431.138041][ T2330] ? __might_fault+0xc3/0x170 [ 431.138189][ T2330] ? lock_acquire+0x32/0xc0 [ 431.138349][ T2330] ? __might_fault+0xc3/0x170 [ 431.138497][ T2330] ? __might_fault+0x11b/0x170 [ 431.138646][ T2330] do_ipv6_setsockopt+0x705/0x34e0 [ 431.138793][ T2330] ? __lock_release+0xf0/0x460 [ 431.138944][ T2330] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 431.139094][ T2330] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 431.139260][ T2330] ? rcu_read_lock_any_held+0x43/0xb0 [ 431.139414][ T2330] ? validate_chain+0x1fe/0xae0 [ 431.139558][ T2330] ? is_bpf_text_address+0x67/0x120 [ 431.139713][ T2330] ? __pfx_validate_chain+0x10/0x10 [ 431.139866][ T2330] ? hlock_class+0x4e/0x130 [ 431.140014][ T2330] ? mark_lock+0x38/0x3e0 [ 431.140148][ T2330] ? __lock_acquire+0xb3f/0x1580 [ 431.140331][ T2330] ? find_held_lock+0x2c/0x110 [ 431.140526][ T2330] ? ipv6_setsockopt+0x7f/0xe0 [ 431.140685][ T2330] ipv6_setsockopt+0x7f/0xe0 [ 431.140866][ T2330] rawv6_setsockopt+0xb7/0x550 [ 431.141018][ T2330] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 431.141185][ T2330] ? __lock_acquire+0xb3f/0x1580 [ 431.141354][ T2330] ? kfree+0x2d/0x340 [ 431.141500][ T2330] do_sock_setsockopt+0x149/0x3a0 [ 431.141651][ T2330] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 431.141835][ T2330] ? __lock_release+0x103/0x460 [ 431.141984][ T2330] ? fd_install+0x1d1/0x5a0 [ 431.142167][ T2330] ? trace_lock_acquire+0x14d/0x1f0 [ 431.142385][ T2330] ? fdget+0x52/0x1e0 [ 431.142536][ T2330] __sys_setsockopt+0x104/0x1a0 [ 431.142689][ T2330] ? __pfx___sys_setsockopt+0x10/0x10 [ 431.142854][ T2330] ? __sys_socket+0x168/0x1e0 [ 431.143006][ T2330] ? __pfx___sys_socket+0x10/0x10 [ 431.143155][ T2330] __x64_sys_setsockopt+0xbd/0x160 [ 431.143313][ T2330] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 431.143499][ T2330] do_syscall_64+0xc1/0x1d0 [ 431.143666][ T2330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 431.143864][ T2330] RIP: 0033:0x7f3fd8b1191e [ 431.144022][ T2330] 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 [ 431.144545][ T2330] RSP: 002b:00007ffe32a628b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 431.144765][ T2330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fd8b1191e [ 431.144991][ T2330] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 431.145227][ T2330] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 431.145459][ T2330] R10: 00007ffe32a628dc R11: 0000000000000246 R12: 0000000000000000 [ 431.145684][ T2330] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3fd8c16000 [ 431.145917][ T2330] [ 431.152021][ T2330] veth0: entered allmulticast mode [ 431.152550][ T2330] veth1: entered allmulticast mode [ 431.152852][ T2330] veth2: entered allmulticast mode [ 431.153154][ T2330] veth3: entered allmulticast mode [ 459.972204][ T2330] veth0: left allmulticast mode [ 459.972691][ T2330] veth1: left allmulticast mode [ 459.973089][ T2330] veth2: left allmulticast mode [ 459.973499][ T2330] veth3: left allmulticast mode