[ 1313.811785][T15500] [ 1313.811963][T15500] ============================= [ 1313.812202][T15500] WARNING: suspicious RCU usage [ 1313.812442][T15500] 6.12.0-rc6-virtme #1 Not tainted [ 1313.812649][T15500] ----------------------------- [ 1313.812875][T15500] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1313.813267][T15500] [ 1313.813267][T15500] other info that might help us debug this: [ 1313.813267][T15500] [ 1313.814345][T15500] [ 1313.814345][T15500] rcu_scheduler_active = 2, debug_locks = 1 [ 1313.814739][T15500] no locks held by smcrouted/15500. [ 1313.815004][T15500] [ 1313.815004][T15500] stack backtrace: [ 1313.815359][T15500] CPU: 3 UID: 0 PID: 15500 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1313.815817][T15500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1313.816057][T15500] Call Trace: [ 1313.816245][T15500] [ 1313.816333][T15500] dump_stack_lvl+0xb0/0xd0 [ 1313.816567][T15500] lockdep_rcu_suspicious+0x1ea/0x280 [ 1313.816809][T15500] ip6mr_get_table+0x142/0x190 [ 1313.817039][T15500] ip6_mroute_setsockopt+0x185/0x12d0 [ 1313.817305][T15500] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1313.817642][T15500] ? __lock_release+0x103/0x460 [ 1313.817897][T15500] ? __might_fault+0x11b/0x170 [ 1313.818179][T15500] ? trace_lock_acquire+0x14d/0x1f0 [ 1313.818458][T15500] ? __might_fault+0xc3/0x170 [ 1313.818720][T15500] ? lock_acquire+0x32/0xc0 [ 1313.818981][T15500] ? __might_fault+0xc3/0x170 [ 1313.819243][T15500] ? __might_fault+0x11b/0x170 [ 1313.819528][T15500] do_ipv6_setsockopt+0x705/0x34e0 [ 1313.819806][T15500] ? __lock_release+0xe0/0x460 [ 1313.820071][T15500] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1313.820332][T15500] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1313.820603][T15500] ? rcu_read_lock_any_held+0x43/0xb0 [ 1313.820873][T15500] ? validate_chain+0x1fe/0xae0 [ 1313.821162][T15500] ? is_bpf_text_address+0x67/0x120 [ 1313.821442][T15500] ? __pfx_validate_chain+0x10/0x10 [ 1313.821709][T15500] ? hlock_class+0x4e/0x130 [ 1313.821916][T15500] ? mark_lock+0x38/0x3e0 [ 1313.822051][T15500] ? __lock_acquire+0xb3f/0x1580 [ 1313.822293][T15500] ? find_held_lock+0x2c/0x110 [ 1313.822486][T15500] ? ipv6_setsockopt+0x7f/0xe0 [ 1313.822651][T15500] ipv6_setsockopt+0x7f/0xe0 [ 1313.822906][T15500] rawv6_setsockopt+0xb7/0x550 [ 1313.823074][T15500] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1313.823249][T15500] ? __lock_acquire+0xb3f/0x1580 [ 1313.823417][T15500] ? kfree+0x2d/0x340 [ 1313.823619][T15500] do_sock_setsockopt+0x149/0x3a0 [ 1313.823800][T15500] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1313.824005][T15500] ? __lock_release+0x103/0x460 [ 1313.824166][T15500] ? fd_install+0x1d1/0x5a0 [ 1313.824364][T15500] ? trace_lock_acquire+0x14d/0x1f0 [ 1313.824594][T15500] ? fdget+0x52/0x1e0 [ 1313.824772][T15500] __sys_setsockopt+0x104/0x1a0 [ 1313.824991][T15500] ? __pfx___sys_setsockopt+0x10/0x10 [ 1313.825189][T15500] ? __sys_socket+0x168/0x1e0 [ 1313.825399][T15500] ? __pfx___sys_socket+0x10/0x10 [ 1313.825560][T15500] ? do_user_addr_fault+0x374/0xe30 [ 1313.825737][T15500] __x64_sys_setsockopt+0xbd/0x160 [ 1313.825901][T15500] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1313.826120][T15500] do_syscall_64+0xc1/0x1d0 [ 1313.826368][T15500] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1313.826577][T15500] RIP: 0033:0x7f873b94991e [ 1313.826784][T15500] 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 [ 1313.827389][T15500] RSP: 002b:00007ffc7e79bae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1313.827742][T15500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f873b94991e [ 1313.828016][T15500] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1313.828272][T15500] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1313.828918][T15500] R10: 00007ffc7e79bb0c R11: 0000000000000246 R12: 0000000000000000 [ 1313.829227][T15500] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f873ba4e000 [ 1313.829488][T15500] [ 1313.832714][T15500] veth0: entered allmulticast mode [ 1313.835053][T15500] veth1: entered allmulticast mode [ 1313.837829][T15500] veth2: entered allmulticast mode [ 1313.840591][T15500] veth3: entered allmulticast mode [ 1313.840958][T15500] veth4: entered allmulticast mode [ 1313.841314][T15500] veth5: entered allmulticast mode [ 1339.378255][T15500] veth0: left allmulticast mode [ 1339.378652][T15500] veth1: left allmulticast mode [ 1339.378898][T15500] veth2: left allmulticast mode [ 1339.379136][T15500] veth3: left allmulticast mode [ 1339.379852][T15500] veth4: left allmulticast mode [ 1339.380094][T15500] veth5: left allmulticast mode