[ 195.955253][ T2144] [ 195.955667][ T2144] ============================= [ 195.955851][ T2144] WARNING: suspicious RCU usage [ 195.956025][ T2144] 6.12.0-rc7-virtme #1 Not tainted [ 195.956200][ T2144] ----------------------------- [ 195.956388][ T2144] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 195.956650][ T2144] [ 195.956650][ T2144] other info that might help us debug this: [ 195.956650][ T2144] [ 195.956986][ T2144] [ 195.956986][ T2144] rcu_scheduler_active = 2, debug_locks = 1 [ 195.957252][ T2144] no locks held by smcrouted/2144. [ 195.957451][ T2144] [ 195.957451][ T2144] stack backtrace: [ 195.957680][ T2144] CPU: 3 UID: 0 PID: 2144 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 195.957988][ T2144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 195.958216][ T2144] Call Trace: [ 195.958356][ T2144] [ 195.958459][ T2144] dump_stack_lvl+0xb0/0xd0 [ 195.958656][ T2144] lockdep_rcu_suspicious+0x1ea/0x280 [ 195.958849][ T2144] ip6mr_get_table+0x142/0x190 [ 195.959076][ T2144] ip6_mroute_setsockopt+0x185/0x12d0 [ 195.959261][ T2144] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 195.959491][ T2144] ? __lock_release+0x103/0x460 [ 195.959666][ T2144] ? __might_fault+0x11b/0x170 [ 195.959841][ T2144] ? trace_lock_acquire+0x14d/0x1f0 [ 195.960021][ T2144] ? __might_fault+0xc3/0x170 [ 195.960194][ T2144] ? lock_acquire+0x32/0xc0 [ 195.960369][ T2144] ? __might_fault+0xc3/0x170 [ 195.960567][ T2144] ? __might_fault+0x11b/0x170 [ 195.960748][ T2144] do_ipv6_setsockopt+0x705/0x34e0 [ 195.960933][ T2144] ? __lock_release+0x10/0x460 [ 195.961111][ T2144] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 195.961282][ T2144] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 195.961459][ T2144] ? rcu_read_lock_any_held+0x43/0xb0 [ 195.961642][ T2144] ? validate_chain+0x1fe/0xae0 [ 195.961821][ T2144] ? is_bpf_text_address+0x67/0x120 [ 195.962011][ T2144] ? __pfx_validate_chain+0x10/0x10 [ 195.962189][ T2144] ? hlock_class+0x4e/0x130 [ 195.962369][ T2144] ? mark_lock+0x38/0x3e0 [ 195.962507][ T2144] ? __lock_acquire+0xb3f/0x1580 [ 195.962695][ T2144] ? find_held_lock+0x2c/0x110 [ 195.962880][ T2144] ? ipv6_setsockopt+0x7f/0xe0 [ 195.963050][ T2144] ipv6_setsockopt+0x7f/0xe0 [ 195.963232][ T2144] rawv6_setsockopt+0xb7/0x550 [ 195.963414][ T2144] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 195.963585][ T2144] ? __lock_acquire+0xb3f/0x1580 [ 195.963760][ T2144] ? kfree+0x2d/0x340 [ 195.963904][ T2144] do_sock_setsockopt+0x149/0x3a0 [ 195.964091][ T2144] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 195.964271][ T2144] ? __lock_release+0x103/0x460 [ 195.964447][ T2144] ? fd_install+0x1d1/0x5a0 [ 195.964636][ T2144] ? trace_lock_acquire+0x14d/0x1f0 [ 195.964819][ T2144] ? fdget+0x52/0x1e0 [ 195.964965][ T2144] __sys_setsockopt+0x104/0x1a0 [ 195.965147][ T2144] ? __pfx___sys_setsockopt+0x10/0x10 [ 195.965324][ T2144] ? __sys_socket+0x168/0x1e0 [ 195.965506][ T2144] ? __pfx___sys_socket+0x10/0x10 [ 195.965682][ T2144] ? do_user_addr_fault+0x374/0xe30 [ 195.965872][ T2144] __x64_sys_setsockopt+0xbd/0x160 [ 195.966046][ T2144] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 195.966266][ T2144] do_syscall_64+0xc1/0x1d0 [ 195.966450][ T2144] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.966676][ T2144] RIP: 0033:0x7f9571f6a91e [ 195.966868][ T2144] 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 [ 195.967486][ T2144] RSP: 002b:00007fff07cde258 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 195.967756][ T2144] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9571f6a91e [ 195.968024][ T2144] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 195.968292][ T2144] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 195.968550][ T2144] R10: 00007fff07cde27c R11: 0000000000000246 R12: 0000000000000000 [ 195.968813][ T2144] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f957206f000 [ 195.969094][ T2144] [ 195.972894][ T2144] veth0: entered allmulticast mode [ 195.974292][ T2144] veth1: entered allmulticast mode [ 195.975795][ T2144] veth2: entered allmulticast mode [ 195.976222][ T2144] veth3: entered allmulticast mode [ 195.976605][ T2144] veth4: entered allmulticast mode [ 195.976943][ T2144] veth5: entered allmulticast mode [ 223.271504][ T2144] veth0: left allmulticast mode [ 223.272280][ T2144] veth1: left allmulticast mode [ 223.272675][ T2144] veth2: left allmulticast mode [ 223.272944][ T2144] veth3: left allmulticast mode [ 223.273199][ T2144] veth4: left allmulticast mode [ 223.273474][ T2144] veth5: left allmulticast mode