[ 1262.550251][ T4417] [ 1262.550391][ T4417] ============================= [ 1262.550658][ T4417] WARNING: suspicious RCU usage [ 1262.550822][ T4417] 6.12.0-rc7-virtme #1 Not tainted [ 1262.550981][ T4417] ----------------------------- [ 1262.551154][ T4417] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1262.551398][ T4417] [ 1262.551398][ T4417] other info that might help us debug this: [ 1262.551398][ T4417] [ 1262.551728][ T4417] [ 1262.551728][ T4417] rcu_scheduler_active = 2, debug_locks = 1 [ 1262.551963][ T4417] no locks held by smcrouted/4417. [ 1262.552129][ T4417] [ 1262.552129][ T4417] stack backtrace: [ 1262.552329][ T4417] CPU: 3 UID: 0 PID: 4417 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1262.552615][ T4417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1262.552823][ T4417] Call Trace: [ 1262.552951][ T4417] [ 1262.553042][ T4417] dump_stack_lvl+0xb0/0xd0 [ 1262.553217][ T4417] lockdep_rcu_suspicious+0x1ea/0x280 [ 1262.553383][ T4417] ip6mr_get_table+0x142/0x190 [ 1262.553549][ T4417] ip6_mroute_setsockopt+0x185/0x12d0 [ 1262.553712][ T4417] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1262.553915][ T4417] ? __lock_release+0x103/0x460 [ 1262.554075][ T4417] ? __might_fault+0x11b/0x170 [ 1262.554256][ T4417] ? trace_lock_acquire+0x14d/0x1f0 [ 1262.554427][ T4417] ? __might_fault+0xc3/0x170 [ 1262.554583][ T4417] ? lock_acquire+0x32/0xc0 [ 1262.554738][ T4417] ? __might_fault+0xc3/0x170 [ 1262.554897][ T4417] ? __might_fault+0x11b/0x170 [ 1262.555062][ T4417] do_ipv6_setsockopt+0x705/0x34e0 [ 1262.555223][ T4417] ? __lock_release+0x10/0x460 [ 1262.555386][ T4417] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1262.555552][ T4417] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1262.555716][ T4417] ? rcu_read_lock_any_held+0x43/0xb0 [ 1262.555874][ T4417] ? validate_chain+0x1fe/0xae0 [ 1262.556033][ T4417] ? is_bpf_text_address+0x67/0x120 [ 1262.556199][ T4417] ? __pfx_validate_chain+0x10/0x10 [ 1262.556357][ T4417] ? hlock_class+0x4e/0x130 [ 1262.556516][ T4417] ? mark_lock+0x38/0x3e0 [ 1262.556641][ T4417] ? __lock_acquire+0xb3f/0x1580 [ 1262.556814][ T4417] ? find_held_lock+0x2c/0x110 [ 1262.556981][ T4417] ? ipv6_setsockopt+0x7f/0xe0 [ 1262.557140][ T4417] ipv6_setsockopt+0x7f/0xe0 [ 1262.557300][ T4417] rawv6_setsockopt+0xb7/0x550 [ 1262.557464][ T4417] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1262.557622][ T4417] ? __lock_acquire+0xb3f/0x1580 [ 1262.557783][ T4417] ? kfree+0x2d/0x340 [ 1262.557910][ T4417] do_sock_setsockopt+0x149/0x3a0 [ 1262.558070][ T4417] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1262.558237][ T4417] ? __lock_release+0x103/0x460 [ 1262.558394][ T4417] ? fd_install+0x1d1/0x5a0 [ 1262.558558][ T4417] ? trace_lock_acquire+0x14d/0x1f0 [ 1262.558720][ T4417] ? fdget+0x52/0x1e0 [ 1262.558846][ T4417] __sys_setsockopt+0x104/0x1a0 [ 1262.559096][ T4417] ? __pfx___sys_setsockopt+0x10/0x10 [ 1262.559258][ T4417] ? __sys_socket+0x168/0x1e0 [ 1262.559418][ T4417] ? __pfx___sys_socket+0x10/0x10 [ 1262.559584][ T4417] ? do_user_addr_fault+0x374/0xe30 [ 1262.559746][ T4417] __x64_sys_setsockopt+0xbd/0x160 [ 1262.559904][ T4417] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1262.560104][ T4417] do_syscall_64+0xc1/0x1d0 [ 1262.560263][ T4417] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1262.560459][ T4417] RIP: 0033:0x7fb7c734791e [ 1262.560632][ T4417] 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 [ 1262.561187][ T4417] RSP: 002b:00007ffd43b777e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1262.561432][ T4417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7c734791e [ 1262.561671][ T4417] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1262.561907][ T4417] RBP: 0000000000000008 R08: 0000000000000004 R09: 00000000043a7010 [ 1262.562153][ T4417] R10: 00007ffd43b7780c R11: 0000000000000246 R12: 0000000000000000 [ 1262.562393][ T4417] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb7c744c000 [ 1262.562647][ T4417] [ 1262.565699][ T4417] veth0: entered allmulticast mode [ 1262.566268][ T4417] veth1: entered allmulticast mode [ 1262.566658][ T4417] veth2: entered allmulticast mode [ 1262.566983][ T4417] veth3: entered allmulticast mode [ 1262.567329][ T4417] veth4: entered allmulticast mode [ 1262.567693][ T4417] veth5: entered allmulticast mode [ 1273.432895][ T4503] GACT probability NOT on [ 1290.487198][ T4417] veth0: left allmulticast mode [ 1290.487597][ T4417] veth1: left allmulticast mode [ 1290.487862][ T4417] veth2: left allmulticast mode [ 1290.488136][ T4417] veth3: left allmulticast mode [ 1290.488406][ T4417] veth4: left allmulticast mode [ 1290.488702][ T4417] veth5: left allmulticast mode