[ 1275.283043][T17340] [ 1275.283190][T17340] ============================= [ 1275.283372][T17340] WARNING: suspicious RCU usage [ 1275.283553][T17340] 6.12.0-rc7-virtme #1 Not tainted [ 1275.283726][T17340] ----------------------------- [ 1275.284077][T17340] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1275.284339][T17340] [ 1275.284339][T17340] other info that might help us debug this: [ 1275.284339][T17340] [ 1275.284678][T17340] [ 1275.284678][T17340] rcu_scheduler_active = 2, debug_locks = 1 [ 1275.284955][T17340] no locks held by smcrouted/17340. [ 1275.285135][T17340] [ 1275.285135][T17340] stack backtrace: [ 1275.285349][T17340] CPU: 0 UID: 0 PID: 17340 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1275.285650][T17340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1275.285877][T17340] Call Trace: [ 1275.286011][T17340] [ 1275.286104][T17340] dump_stack_lvl+0xb0/0xd0 [ 1275.286288][T17340] lockdep_rcu_suspicious+0x1ea/0x280 [ 1275.286464][T17340] ip6mr_get_table+0x142/0x190 [ 1275.286644][T17340] ip6_mroute_setsockopt+0x185/0x12d0 [ 1275.286821][T17340] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1275.287046][T17340] ? __lock_release+0x103/0x460 [ 1275.287221][T17340] ? __might_fault+0x11b/0x170 [ 1275.287403][T17340] ? trace_lock_acquire+0x14d/0x1f0 [ 1275.287585][T17340] ? __might_fault+0xc3/0x170 [ 1275.287775][T17340] ? lock_acquire+0x32/0xc0 [ 1275.287949][T17340] ? __might_fault+0xc3/0x170 [ 1275.288133][T17340] ? __might_fault+0x11b/0x170 [ 1275.288312][T17340] do_ipv6_setsockopt+0x705/0x34e0 [ 1275.288487][T17340] ? __lock_release+0x10/0x460 [ 1275.288659][T17340] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1275.288836][T17340] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1275.289017][T17340] ? rcu_read_lock_any_held+0x43/0xb0 [ 1275.289196][T17340] ? validate_chain+0x1fe/0xae0 [ 1275.289375][T17340] ? is_bpf_text_address+0x67/0x120 [ 1275.289560][T17340] ? __pfx_validate_chain+0x10/0x10 [ 1275.289741][T17340] ? hlock_class+0x4e/0x130 [ 1275.289919][T17340] ? mark_lock+0x38/0x3e0 [ 1275.290059][T17340] ? __lock_acquire+0xb3f/0x1580 [ 1275.290246][T17340] ? find_held_lock+0x2c/0x110 [ 1275.290436][T17340] ? ipv6_setsockopt+0x7f/0xe0 [ 1275.290623][T17340] ipv6_setsockopt+0x7f/0xe0 [ 1275.290803][T17340] rawv6_setsockopt+0xb7/0x550 [ 1275.290987][T17340] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1275.291164][T17340] ? __lock_acquire+0xb3f/0x1580 [ 1275.291346][T17340] ? kfree+0x2d/0x340 [ 1275.291488][T17340] do_sock_setsockopt+0x149/0x3a0 [ 1275.291667][T17340] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1275.291845][T17340] ? __lock_release+0x103/0x460 [ 1275.292023][T17340] ? fd_install+0x1d1/0x5a0 [ 1275.292200][T17340] ? trace_lock_acquire+0x14d/0x1f0 [ 1275.292385][T17340] ? fdget+0x52/0x1e0 [ 1275.292531][T17340] __sys_setsockopt+0x104/0x1a0 [ 1275.292725][T17340] ? __pfx___sys_setsockopt+0x10/0x10 [ 1275.292905][T17340] ? __sys_socket+0x168/0x1e0 [ 1275.293085][T17340] ? __pfx___sys_socket+0x10/0x10 [ 1275.293262][T17340] ? do_user_addr_fault+0x374/0xe30 [ 1275.293445][T17340] __x64_sys_setsockopt+0xbd/0x160 [ 1275.293626][T17340] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1275.293845][T17340] do_syscall_64+0xc1/0x1d0 [ 1275.294023][T17340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1275.294240][T17340] RIP: 0033:0x7f52b99e291e [ 1275.294425][T17340] 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 [ 1275.295050][T17340] RSP: 002b:00007fff424b57c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1275.295321][T17340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52b99e291e [ 1275.295590][T17340] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1275.295853][T17340] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1275.296119][T17340] R10: 00007fff424b57ec R11: 0000000000000246 R12: 0000000000000000 [ 1275.296384][T17340] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f52b9ae7000 [ 1275.296663][T17340] [ 1275.305665][T17340] veth0: entered allmulticast mode [ 1275.306688][T17340] veth1: entered allmulticast mode [ 1275.307108][T17340] veth2: entered allmulticast mode [ 1275.307577][T17340] veth3: entered allmulticast mode [ 1275.308041][T17340] veth4: entered allmulticast mode [ 1275.308442][T17340] veth5: entered allmulticast mode [ 1286.873099][T17427] GACT probability NOT on [ 1303.582457][T17340] veth0: left allmulticast mode [ 1303.582801][T17340] veth1: left allmulticast mode [ 1303.583043][T17340] veth2: left allmulticast mode [ 1303.583279][T17340] veth3: left allmulticast mode [ 1303.583839][T17340] veth4: left allmulticast mode [ 1303.584070][T17340] veth5: left allmulticast mode