[ 10.486972][ T279] [ 10.487099][ T279] ============================= [ 10.487263][ T279] WARNING: suspicious RCU usage [ 10.487434][ T279] 6.12.0-rc7-virtme #1 Not tainted [ 10.487592][ T279] ----------------------------- [ 10.487744][ T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.487969][ T279] [ 10.487969][ T279] other info that might help us debug this: [ 10.487969][ T279] [ 10.488265][ T279] [ 10.488265][ T279] rcu_scheduler_active = 2, debug_locks = 1 [ 10.488501][ T279] no locks held by smcrouted/279. [ 10.488660][ T279] [ 10.488660][ T279] stack backtrace: [ 10.488852][ T279] CPU: 0 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 10.489083][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.489280][ T279] Call Trace: [ 10.489402][ T279] [ 10.489490][ T279] dump_stack_lvl+0xb0/0xd0 [ 10.489655][ T279] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.489818][ T279] ip6mr_get_table+0x142/0x190 [ 10.489981][ T279] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.490138][ T279] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.490339][ T279] ? __lock_release+0x103/0x460 [ 10.490492][ T279] ? __might_fault+0x11b/0x170 [ 10.490650][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 10.490810][ T279] ? __might_fault+0xc3/0x170 [ 10.490962][ T279] ? lock_acquire+0x32/0xc0 [ 10.491114][ T279] ? __might_fault+0xc3/0x170 [ 10.491272][ T279] ? __might_fault+0x11b/0x170 [ 10.491436][ T279] do_ipv6_setsockopt+0x705/0x34e0 [ 10.491593][ T279] ? __lock_release+0x40/0x460 [ 10.491747][ T279] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.491899][ T279] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.492059][ T279] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.492212][ T279] ? validate_chain+0x1fe/0xae0 [ 10.492368][ T279] ? is_bpf_text_address+0x67/0x120 [ 10.492528][ T279] ? __pfx_validate_chain+0x10/0x10 [ 10.492685][ T279] ? hlock_class+0x4e/0x130 [ 10.492838][ T279] ? mark_lock+0x38/0x3e0 [ 10.492961][ T279] ? __lock_acquire+0xb3f/0x1580 [ 10.493122][ T279] ? find_held_lock+0x2c/0x110 [ 10.493284][ T279] ? ipv6_setsockopt+0x7f/0xe0 [ 10.493435][ T279] ipv6_setsockopt+0x7f/0xe0 [ 10.493591][ T279] rawv6_setsockopt+0xb7/0x550 [ 10.493750][ T279] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.493903][ T279] ? __lock_acquire+0xb3f/0x1580 [ 10.494059][ T279] ? kfree+0x2d/0x340 [ 10.494181][ T279] do_sock_setsockopt+0x149/0x3a0 [ 10.494339][ T279] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.494495][ T279] ? __lock_release+0x103/0x460 [ 10.494649][ T279] ? fd_install+0x1d1/0x5a0 [ 10.494807][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 10.494967][ T279] ? fdget+0x52/0x1e0 [ 10.495088][ T279] __sys_setsockopt+0x104/0x1a0 [ 10.495252][ T279] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.495409][ T279] ? __sys_socket+0x168/0x1e0 [ 10.495573][ T279] ? __pfx___sys_socket+0x10/0x10 [ 10.495726][ T279] ? do_user_addr_fault+0x374/0xe30 [ 10.495884][ T279] __x64_sys_setsockopt+0xbd/0x160 [ 10.496042][ T279] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.496233][ T279] do_syscall_64+0xc1/0x1d0 [ 10.496386][ T279] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.496579][ T279] RIP: 0033:0x7f1f7e01091e [ 10.496745][ T279] 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 [ 10.497284][ T279] RSP: 002b:00007ffd15fb0cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.497519][ T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f7e01091e [ 10.497752][ T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.497988][ T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.498220][ T279] R10: 00007ffd15fb0cdc R11: 0000000000000246 R12: 0000000000000000 [ 10.498455][ T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1f7e115000 [ 10.498700][ T279] [ 10.501928][ T279] veth0: entered allmulticast mode [ 10.502523][ T279] veth1: entered allmulticast mode [ 10.502842][ T279] veth2: entered allmulticast mode [ 10.503149][ T279] veth3: entered allmulticast mode [ 21.602946][ T366] GACT probability NOT on [ 28.201308][ T279] veth0: left allmulticast mode [ 28.202587][ T279] veth1: left allmulticast mode [ 28.202850][ T279] veth2: left allmulticast mode [ 28.203099][ T279] veth3: left allmulticast mode