[ 1251.091279][T17345] [ 1251.091439][T17345] ============================= [ 1251.091612][T17345] WARNING: suspicious RCU usage [ 1251.091779][T17345] 6.12.0-rc7-virtme #1 Not tainted [ 1251.091951][T17345] ----------------------------- [ 1251.092122][T17345] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1251.092376][T17345] [ 1251.092376][T17345] other info that might help us debug this: [ 1251.092376][T17345] [ 1251.092695][T17345] [ 1251.092695][T17345] rcu_scheduler_active = 2, debug_locks = 1 [ 1251.093000][T17345] no locks held by smcrouted/17345. [ 1251.093177][T17345] [ 1251.093177][T17345] stack backtrace: [ 1251.094263][T17345] CPU: 3 UID: 0 PID: 17345 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1251.094560][T17345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1251.094771][T17345] Call Trace: [ 1251.094900][T17345] [ 1251.094990][T17345] dump_stack_lvl+0xb0/0xd0 [ 1251.095168][T17345] lockdep_rcu_suspicious+0x1ea/0x280 [ 1251.095334][T17345] ip6mr_get_table+0x142/0x190 [ 1251.095505][T17345] ip6_mroute_setsockopt+0x185/0x12d0 [ 1251.095673][T17345] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1251.095881][T17345] ? __lock_release+0x103/0x460 [ 1251.096046][T17345] ? __might_fault+0x11b/0x170 [ 1251.096212][T17345] ? trace_lock_acquire+0x14d/0x1f0 [ 1251.096377][T17345] ? __might_fault+0xc3/0x170 [ 1251.096542][T17345] ? lock_acquire+0x32/0xc0 [ 1251.096704][T17345] ? __might_fault+0xc3/0x170 [ 1251.096876][T17345] ? __might_fault+0x11b/0x170 [ 1251.097044][T17345] do_ipv6_setsockopt+0x705/0x34e0 [ 1251.097216][T17345] ? __lock_release+0x10/0x460 [ 1251.097385][T17345] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1251.097552][T17345] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1251.097720][T17345] ? rcu_read_lock_any_held+0x43/0xb0 [ 1251.097880][T17345] ? validate_chain+0x1fe/0xae0 [ 1251.098045][T17345] ? is_bpf_text_address+0x67/0x120 [ 1251.098224][T17345] ? __pfx_validate_chain+0x10/0x10 [ 1251.098386][T17345] ? hlock_class+0x4e/0x130 [ 1251.098548][T17345] ? mark_lock+0x38/0x3e0 [ 1251.098675][T17345] ? __lock_acquire+0xb3f/0x1580 [ 1251.098847][T17345] ? find_held_lock+0x2c/0x110 [ 1251.099017][T17345] ? ipv6_setsockopt+0x7f/0xe0 [ 1251.099182][T17345] ipv6_setsockopt+0x7f/0xe0 [ 1251.099344][T17345] rawv6_setsockopt+0xb7/0x550 [ 1251.099514][T17345] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1251.099692][T17345] ? __lock_acquire+0xb3f/0x1580 [ 1251.099877][T17345] ? kfree+0x2d/0x340 [ 1251.100009][T17345] do_sock_setsockopt+0x149/0x3a0 [ 1251.100176][T17345] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1251.100343][T17345] ? __lock_release+0x103/0x460 [ 1251.100501][T17345] ? fd_install+0x1d1/0x5a0 [ 1251.100674][T17345] ? trace_lock_acquire+0x14d/0x1f0 [ 1251.100843][T17345] ? fdget+0x52/0x1e0 [ 1251.100970][T17345] __sys_setsockopt+0x104/0x1a0 [ 1251.101141][T17345] ? __pfx___sys_setsockopt+0x10/0x10 [ 1251.101308][T17345] ? __sys_socket+0x168/0x1e0 [ 1251.101488][T17345] ? __pfx___sys_socket+0x10/0x10 [ 1251.101650][T17345] ? do_user_addr_fault+0x374/0xe30 [ 1251.101821][T17345] __x64_sys_setsockopt+0xbd/0x160 [ 1251.101984][T17345] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1251.102195][T17345] do_syscall_64+0xc1/0x1d0 [ 1251.102393][T17345] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1251.102605][T17345] RIP: 0033:0x7f990cdb491e [ 1251.102784][T17345] 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 [ 1251.103386][T17345] RSP: 002b:00007ffe2e654598 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1251.103641][T17345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f990cdb491e [ 1251.103892][T17345] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1251.104148][T17345] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1251.104403][T17345] R10: 00007ffe2e6545bc R11: 0000000000000246 R12: 0000000000000000 [ 1251.104658][T17345] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f990ceb9000 [ 1251.104926][T17345] [ 1251.108263][T17345] veth0: entered allmulticast mode [ 1251.108962][T17345] veth1: entered allmulticast mode [ 1251.109321][T17345] veth2: entered allmulticast mode [ 1251.109659][T17345] veth3: entered allmulticast mode [ 1251.109982][T17345] veth4: entered allmulticast mode [ 1251.110326][T17345] veth5: entered allmulticast mode [ 1262.251358][T17432] GACT probability NOT on [ 1278.861059][T17345] veth0: left allmulticast mode [ 1278.862872][T17345] veth1: left allmulticast mode [ 1278.863170][T17345] veth2: left allmulticast mode [ 1278.863513][T17345] veth3: left allmulticast mode [ 1278.863942][T17345] veth4: left allmulticast mode [ 1278.864228][T17345] veth5: left allmulticast mode