[ 10.940637][ T280] [ 10.940842][ T280] ============================= [ 10.941002][ T280] WARNING: suspicious RCU usage [ 10.941157][ T280] 6.12.0-rc6-virtme #1 Not tainted [ 10.941465][ T280] ----------------------------- [ 10.941628][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.941870][ T280] [ 10.941870][ T280] other info that might help us debug this: [ 10.941870][ T280] [ 10.942175][ T280] [ 10.942175][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.942415][ T280] no locks held by smcrouted/280. [ 10.942576][ T280] [ 10.942576][ T280] stack backtrace: [ 10.942779][ T280] CPU: 3 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 10.943017][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.943235][ T280] Call Trace: [ 10.943361][ T280] [ 10.943450][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.943616][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.943785][ T280] ip6mr_get_table+0x142/0x190 [ 10.943947][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.944106][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.944327][ T280] ? __lock_release+0x103/0x460 [ 10.944488][ T280] ? __might_fault+0x11b/0x170 [ 10.944648][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.944816][ T280] ? __might_fault+0xc3/0x170 [ 10.944972][ T280] ? lock_acquire+0x32/0xc0 [ 10.945127][ T280] ? __might_fault+0xc3/0x170 [ 10.945284][ T280] ? __might_fault+0x11b/0x170 [ 10.945445][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.945606][ T280] ? __lock_release+0xe0/0x460 [ 10.945767][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.945926][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.946088][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.946245][ T280] ? validate_chain+0x1fe/0xae0 [ 10.946406][ T280] ? is_bpf_text_address+0x67/0x120 [ 10.946569][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.946723][ T280] ? hlock_class+0x4e/0x130 [ 10.946878][ T280] ? mark_lock+0x38/0x3e0 [ 10.947001][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.947172][ T280] ? find_held_lock+0x2c/0x110 [ 10.947339][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.947496][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.947655][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.947827][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.947988][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.948150][ T280] ? kfree+0x2d/0x340 [ 10.948279][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.948436][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.948600][ T280] ? __lock_release+0x103/0x460 [ 10.948759][ T280] ? fd_install+0x1d1/0x5a0 [ 10.948919][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.949076][ T280] ? fdget+0x52/0x1e0 [ 10.949198][ T280] __sys_setsockopt+0x104/0x1a0 [ 10.949357][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.949516][ T280] ? __sys_socket+0x168/0x1e0 [ 10.949683][ T280] ? __pfx___sys_socket+0x10/0x10 [ 10.949840][ T280] ? do_user_addr_fault+0x374/0xe30 [ 10.950006][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.950165][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.950363][ T280] do_syscall_64+0xc1/0x1d0 [ 10.950521][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.950718][ T280] RIP: 0033:0x7fc084fe391e [ 10.950890][ T280] 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 [ 10.951446][ T280] RSP: 002b:00007ffe727a9f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.951685][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc084fe391e [ 10.951923][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.952159][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.952390][ T280] R10: 00007ffe727a9f8c R11: 0000000000000246 R12: 0000000000000000 [ 10.952629][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fc0850e8000 [ 10.952874][ T280] [ 10.955998][ T280] veth0: entered allmulticast mode [ 10.956724][ T280] veth1: entered allmulticast mode [ 10.957207][ T280] veth2: entered allmulticast mode [ 10.957667][ T280] veth3: entered allmulticast mode [ 22.181490][ T367] GACT probability NOT on [ 29.164815][ T280] veth0: left allmulticast mode [ 29.165175][ T280] veth1: left allmulticast mode [ 29.165553][ T280] veth2: left allmulticast mode [ 29.166092][ T280] veth3: left allmulticast mode