[ 1318.988962][T15178] [ 1318.989115][T15178] ============================= [ 1318.989297][T15178] WARNING: suspicious RCU usage [ 1318.989642][T15178] 6.12.0-rc7-virtme #1 Not tainted [ 1318.989820][T15178] ----------------------------- [ 1318.989995][T15178] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1318.990253][T15178] [ 1318.990253][T15178] other info that might help us debug this: [ 1318.990253][T15178] [ 1318.990606][T15178] [ 1318.990606][T15178] rcu_scheduler_active = 2, debug_locks = 1 [ 1318.990862][T15178] no locks held by smcrouted/15178. [ 1318.991041][T15178] [ 1318.991041][T15178] stack backtrace: [ 1318.991257][T15178] CPU: 3 UID: 0 PID: 15178 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1318.991562][T15178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1318.991790][T15178] Call Trace: [ 1318.991927][T15178] [ 1318.992021][T15178] dump_stack_lvl+0xb0/0xd0 [ 1318.992206][T15178] lockdep_rcu_suspicious+0x1ea/0x280 [ 1318.992388][T15178] ip6mr_get_table+0x142/0x190 [ 1318.992571][T15178] ip6_mroute_setsockopt+0x185/0x12d0 [ 1318.992745][T15178] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1318.992959][T15178] ? __lock_release+0x103/0x460 [ 1318.993136][T15178] ? __might_fault+0x11b/0x170 [ 1318.993313][T15178] ? trace_lock_acquire+0x14d/0x1f0 [ 1318.993491][T15178] ? __might_fault+0xc3/0x170 [ 1318.993662][T15178] ? lock_acquire+0x32/0xc0 [ 1318.993838][T15178] ? __might_fault+0xc3/0x170 [ 1318.994016][T15178] ? __might_fault+0x11b/0x170 [ 1318.994197][T15178] do_ipv6_setsockopt+0x705/0x34e0 [ 1318.994383][T15178] ? __lock_release+0x10/0x460 [ 1318.994560][T15178] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1318.994731][T15178] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1318.994914][T15178] ? rcu_read_lock_any_held+0x43/0xb0 [ 1318.995087][T15178] ? validate_chain+0x1fe/0xae0 [ 1318.995259][T15178] ? is_bpf_text_address+0x67/0x120 [ 1318.995446][T15178] ? __pfx_validate_chain+0x10/0x10 [ 1318.995627][T15178] ? hlock_class+0x4e/0x130 [ 1318.995803][T15178] ? mark_lock+0x38/0x3e0 [ 1318.995941][T15178] ? __lock_acquire+0xb3f/0x1580 [ 1318.996127][T15178] ? find_held_lock+0x2c/0x110 [ 1318.996325][T15178] ? ipv6_setsockopt+0x7f/0xe0 [ 1318.996496][T15178] ipv6_setsockopt+0x7f/0xe0 [ 1318.996653][T15178] rawv6_setsockopt+0xb7/0x550 [ 1318.996820][T15178] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1318.996985][T15178] ? __lock_acquire+0xb3f/0x1580 [ 1318.997162][T15178] ? kfree+0x2d/0x340 [ 1318.997302][T15178] do_sock_setsockopt+0x149/0x3a0 [ 1318.997480][T15178] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1318.997649][T15178] ? __lock_release+0x103/0x460 [ 1318.997839][T15178] ? fd_install+0x1d1/0x5a0 [ 1318.998019][T15178] ? trace_lock_acquire+0x14d/0x1f0 [ 1318.998196][T15178] ? fdget+0x52/0x1e0 [ 1318.998345][T15178] __sys_setsockopt+0x104/0x1a0 [ 1318.998522][T15178] ? __pfx___sys_setsockopt+0x10/0x10 [ 1318.998699][T15178] ? __sys_socket+0x168/0x1e0 [ 1318.998876][T15178] ? __pfx___sys_socket+0x10/0x10 [ 1318.999052][T15178] ? do_user_addr_fault+0x374/0xe30 [ 1318.999231][T15178] __x64_sys_setsockopt+0xbd/0x160 [ 1318.999413][T15178] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1318.999633][T15178] do_syscall_64+0xc1/0x1d0 [ 1318.999811][T15178] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1319.000036][T15178] RIP: 0033:0x7fae4c41091e [ 1319.000228][T15178] 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 [ 1319.000841][T15178] RSP: 002b:00007ffda2e280d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1319.001107][T15178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae4c41091e [ 1319.001371][T15178] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1319.001638][T15178] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1319.001907][T15178] R10: 00007ffda2e280fc R11: 0000000000000246 R12: 0000000000000000 [ 1319.002173][T15178] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fae4c515000 [ 1319.002458][T15178] [ 1319.015582][T15178] veth0: entered allmulticast mode [ 1319.016296][T15178] veth1: entered allmulticast mode [ 1319.016700][T15178] veth2: entered allmulticast mode [ 1319.017099][T15178] veth3: entered allmulticast mode [ 1319.017464][T15178] veth4: entered allmulticast mode [ 1319.017817][T15178] veth5: entered allmulticast mode [ 1345.699776][T15178] veth0: left allmulticast mode [ 1345.700208][T15178] veth1: left allmulticast mode [ 1345.700490][T15178] veth2: left allmulticast mode [ 1345.700750][T15178] veth3: left allmulticast mode [ 1345.701020][T15178] veth4: left allmulticast mode [ 1345.701280][T15178] veth5: left allmulticast mode