[ 1321.404935][ T7364] [ 1321.405063][ T7364] ============================= [ 1321.405233][ T7364] WARNING: suspicious RCU usage [ 1321.405409][ T7364] 6.12.0-rc6-virtme #1 Not tainted [ 1321.405571][ T7364] ----------------------------- [ 1321.405780][ T7364] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1321.406017][ T7364] [ 1321.406017][ T7364] other info that might help us debug this: [ 1321.406017][ T7364] [ 1321.406326][ T7364] [ 1321.406326][ T7364] rcu_scheduler_active = 2, debug_locks = 1 [ 1321.406574][ T7364] no locks held by smcrouted/7364. [ 1321.406739][ T7364] [ 1321.406739][ T7364] stack backtrace: [ 1321.406944][ T7364] CPU: 3 UID: 0 PID: 7364 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1321.407221][ T7364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1321.407423][ T7364] Call Trace: [ 1321.407548][ T7364] [ 1321.407634][ T7364] dump_stack_lvl+0xb0/0xd0 [ 1321.407804][ T7364] lockdep_rcu_suspicious+0x1ea/0x280 [ 1321.407970][ T7364] ip6mr_get_table+0x142/0x190 [ 1321.408134][ T7364] ip6_mroute_setsockopt+0x185/0x12d0 [ 1321.408297][ T7364] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1321.408501][ T7364] ? __lock_release+0x103/0x460 [ 1321.408660][ T7364] ? __might_fault+0x11b/0x170 [ 1321.408823][ T7364] ? trace_lock_acquire+0x14d/0x1f0 [ 1321.408985][ T7364] ? __might_fault+0xc3/0x170 [ 1321.409142][ T7364] ? lock_acquire+0x32/0xc0 [ 1321.409314][ T7364] ? __might_fault+0xc3/0x170 [ 1321.409497][ T7364] ? __might_fault+0x11b/0x170 [ 1321.409680][ T7364] do_ipv6_setsockopt+0x705/0x34e0 [ 1321.409861][ T7364] ? __lock_release+0xe0/0x460 [ 1321.410039][ T7364] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1321.410217][ T7364] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1321.410396][ T7364] ? rcu_read_lock_any_held+0x43/0xb0 [ 1321.410576][ T7364] ? validate_chain+0x1fe/0xae0 [ 1321.410757][ T7364] ? is_bpf_text_address+0x67/0x120 [ 1321.410946][ T7364] ? __pfx_validate_chain+0x10/0x10 [ 1321.411124][ T7364] ? hlock_class+0x4e/0x130 [ 1321.411301][ T7364] ? mark_lock+0x38/0x3e0 [ 1321.411440][ T7364] ? __lock_acquire+0xb3f/0x1580 [ 1321.411624][ T7364] ? find_held_lock+0x2c/0x110 [ 1321.411810][ T7364] ? ipv6_setsockopt+0x7f/0xe0 [ 1321.411988][ T7364] ipv6_setsockopt+0x7f/0xe0 [ 1321.412165][ T7364] rawv6_setsockopt+0xb7/0x550 [ 1321.412345][ T7364] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1321.412530][ T7364] ? __lock_acquire+0xb3f/0x1580 [ 1321.412710][ T7364] ? kfree+0x2d/0x340 [ 1321.412853][ T7364] do_sock_setsockopt+0x149/0x3a0 [ 1321.413032][ T7364] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1321.413210][ T7364] ? __lock_release+0x103/0x460 [ 1321.413388][ T7364] ? fd_install+0x1d1/0x5a0 [ 1321.413570][ T7364] ? trace_lock_acquire+0x14d/0x1f0 [ 1321.413748][ T7364] ? fdget+0x52/0x1e0 [ 1321.413892][ T7364] __sys_setsockopt+0x104/0x1a0 [ 1321.414078][ T7364] ? __pfx___sys_setsockopt+0x10/0x10 [ 1321.414254][ T7364] ? __sys_socket+0x168/0x1e0 [ 1321.414434][ T7364] ? __pfx___sys_socket+0x10/0x10 [ 1321.414614][ T7364] ? do_user_addr_fault+0x374/0xe30 [ 1321.414796][ T7364] __x64_sys_setsockopt+0xbd/0x160 [ 1321.414972][ T7364] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1321.415191][ T7364] do_syscall_64+0xc1/0x1d0 [ 1321.415377][ T7364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1321.415602][ T7364] RIP: 0033:0x7f021cb8491e [ 1321.415800][ T7364] 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 [ 1321.416423][ T7364] RSP: 002b:00007ffce68ba6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1321.416697][ T7364] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f021cb8491e [ 1321.416962][ T7364] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1321.417231][ T7364] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1321.417496][ T7364] R10: 00007ffce68ba71c R11: 0000000000000246 R12: 0000000000000000 [ 1321.417756][ T7364] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f021cc89000 [ 1321.418042][ T7364] [ 1321.423666][ T7364] veth0: entered allmulticast mode [ 1321.424494][ T7364] veth1: entered allmulticast mode [ 1321.425053][ T7364] veth2: entered allmulticast mode [ 1321.425736][ T7364] veth3: entered allmulticast mode [ 1321.426373][ T7364] veth4: entered allmulticast mode [ 1321.442973][ T7364] veth5: entered allmulticast mode [ 1347.501284][ T7364] veth0: left allmulticast mode [ 1347.503018][ T7364] veth1: left allmulticast mode [ 1347.503480][ T7364] veth2: left allmulticast mode [ 1347.503892][ T7364] veth3: left allmulticast mode [ 1347.504299][ T7364] veth4: left allmulticast mode [ 1347.504735][ T7364] veth5: left allmulticast mode