[ 1316.586130][ T9780] [ 1316.586330][ T9780] ============================= [ 1316.586535][ T9780] WARNING: suspicious RCU usage [ 1316.586742][ T9780] 6.12.0-rc7-virtme #1 Not tainted [ 1316.586981][ T9780] ----------------------------- [ 1316.587180][ T9780] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1316.587480][ T9780] [ 1316.587480][ T9780] other info that might help us debug this: [ 1316.587480][ T9780] [ 1316.587879][ T9780] [ 1316.587879][ T9780] rcu_scheduler_active = 2, debug_locks = 1 [ 1316.588172][ T9780] no locks held by smcrouted/9780. [ 1316.588407][ T9780] [ 1316.588407][ T9780] stack backtrace: [ 1316.588676][ T9780] CPU: 1 UID: 0 PID: 9780 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1316.589062][ T9780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1316.589306][ T9780] Call Trace: [ 1316.589459][ T9780] [ 1316.589564][ T9780] dump_stack_lvl+0xb0/0xd0 [ 1316.589797][ T9780] lockdep_rcu_suspicious+0x1ea/0x280 [ 1316.590021][ T9780] ip6mr_get_table+0x142/0x190 [ 1316.590302][ T9780] ip6_mroute_setsockopt+0x185/0x12d0 [ 1316.590588][ T9780] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1316.590936][ T9780] ? __lock_release+0x103/0x460 [ 1316.591246][ T9780] ? __might_fault+0x11b/0x170 [ 1316.591536][ T9780] ? trace_lock_acquire+0x14d/0x1f0 [ 1316.591826][ T9780] ? __might_fault+0xc3/0x170 [ 1316.592119][ T9780] ? lock_acquire+0x32/0xc0 [ 1316.592398][ T9780] ? __might_fault+0xc3/0x170 [ 1316.592681][ T9780] ? __might_fault+0x11b/0x170 [ 1316.592987][ T9780] do_ipv6_setsockopt+0x705/0x34e0 [ 1316.593291][ T9780] ? __lock_release+0x10/0x460 [ 1316.593579][ T9780] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1316.593859][ T9780] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1316.594163][ T9780] ? rcu_read_lock_any_held+0x43/0xb0 [ 1316.594463][ T9780] ? validate_chain+0x1fe/0xae0 [ 1316.594762][ T9780] ? is_bpf_text_address+0x67/0x120 [ 1316.595054][ T9780] ? __pfx_validate_chain+0x10/0x10 [ 1316.595346][ T9780] ? hlock_class+0x4e/0x130 [ 1316.595638][ T9780] ? mark_lock+0x38/0x3e0 [ 1316.595856][ T9780] ? __lock_acquire+0xb3f/0x1580 [ 1316.596134][ T9780] ? queued_spin_lock_slowpath+0xee/0x970 [ 1316.596426][ T9780] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 1316.596773][ T9780] ? find_held_lock+0x2c/0x110 [ 1316.597057][ T9780] ? ipv6_setsockopt+0x7f/0xe0 [ 1316.597346][ T9780] ipv6_setsockopt+0x7f/0xe0 [ 1316.597634][ T9780] rawv6_setsockopt+0xb7/0x550 [ 1316.597907][ T9780] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1316.598184][ T9780] ? __lock_acquire+0xb3f/0x1580 [ 1316.598464][ T9780] ? kfree+0x2d/0x340 [ 1316.598690][ T9780] do_sock_setsockopt+0x149/0x3a0 [ 1316.598977][ T9780] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1316.599262][ T9780] ? __lock_release+0x103/0x460 [ 1316.599536][ T9780] ? fd_install+0x1d1/0x5a0 [ 1316.599826][ T9780] ? trace_lock_acquire+0x14d/0x1f0 [ 1316.600110][ T9780] ? fdget+0x52/0x1e0 [ 1316.600321][ T9780] __sys_setsockopt+0x104/0x1a0 [ 1316.600604][ T9780] ? __pfx___sys_setsockopt+0x10/0x10 [ 1316.600883][ T9780] ? __sys_socket+0x168/0x1e0 [ 1316.601166][ T9780] ? __pfx___sys_socket+0x10/0x10 [ 1316.601457][ T9780] ? do_user_addr_fault+0x374/0xe30 [ 1316.601750][ T9780] __x64_sys_setsockopt+0xbd/0x160 [ 1316.602027][ T9780] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1316.602370][ T9780] do_syscall_64+0xc1/0x1d0 [ 1316.602650][ T9780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1316.602981][ T9780] RIP: 0033:0x7f2f8a91a91e [ 1316.603270][ T9780] 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 [ 1316.604227][ T9780] RSP: 002b:00007ffd2b8845b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1316.604645][ T9780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f8a91a91e [ 1316.605054][ T9780] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1316.605449][ T9780] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1316.605871][ T9780] R10: 00007ffd2b8845dc R11: 0000000000000246 R12: 0000000000000000 [ 1316.606277][ T9780] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f2f8aa1f000 [ 1316.606698][ T9780] [ 1316.611206][ T9780] veth0: entered allmulticast mode [ 1316.611889][ T9780] veth1: entered allmulticast mode [ 1316.614157][ T9780] veth2: entered allmulticast mode [ 1316.614639][ T9780] veth3: entered allmulticast mode [ 1316.615038][ T9780] veth4: entered allmulticast mode [ 1316.615478][ T9780] veth5: entered allmulticast mode [ 1343.349237][ T9780] veth0: left allmulticast mode [ 1343.349582][ T9780] veth1: left allmulticast mode [ 1343.349836][ T9780] veth2: left allmulticast mode [ 1343.350082][ T9780] veth3: left allmulticast mode [ 1343.350337][ T9780] veth4: left allmulticast mode [ 1343.350580][ T9780] veth5: left allmulticast mode