[ 10.230214][ T259] ip (259) used greatest stack depth: 23744 bytes left [ 10.851403][ T280] [ 10.851558][ T280] ============================= [ 10.851733][ T280] WARNING: suspicious RCU usage [ 10.851900][ T280] 6.12.0-rc6-virtme #1 Not tainted [ 10.852082][ T280] ----------------------------- [ 10.852250][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.852690][ T280] [ 10.852690][ T280] other info that might help us debug this: [ 10.852690][ T280] [ 10.853000][ T280] [ 10.853000][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.853240][ T280] no locks held by smcrouted/280. [ 10.853420][ T280] [ 10.853420][ T280] stack backtrace: [ 10.853628][ T280] CPU: 2 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 10.853867][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.854059][ T280] Call Trace: [ 10.854181][ T280] [ 10.854264][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.854437][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.854602][ T280] ip6mr_get_table+0x142/0x190 [ 10.854762][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.854920][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.855120][ T280] ? __lock_release+0x103/0x460 [ 10.855272][ T280] ? __might_fault+0x11b/0x170 [ 10.855425][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.855585][ T280] ? __might_fault+0xc3/0x170 [ 10.855741][ T280] ? lock_acquire+0x32/0xc0 [ 10.855891][ T280] ? __might_fault+0xc3/0x170 [ 10.856043][ T280] ? __might_fault+0x11b/0x170 [ 10.856202][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.856361][ T280] ? __lock_release+0xe0/0x460 [ 10.856513][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.856664][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.856821][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.856974][ T280] ? validate_chain+0x1fe/0xae0 [ 10.857127][ T280] ? is_bpf_text_address+0x67/0x120 [ 10.857287][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.857438][ T280] ? hlock_class+0x4e/0x130 [ 10.857594][ T280] ? mark_lock+0x38/0x3e0 [ 10.857714][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.857878][ T280] ? find_held_lock+0x2c/0x110 [ 10.858041][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.858197][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.858359][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.858515][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.858666][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.858823][ T280] ? kfree+0x2d/0x340 [ 10.858946][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.859102][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.859258][ T280] ? __lock_release+0x103/0x460 [ 10.859412][ T280] ? fd_install+0x1d1/0x5a0 [ 10.859572][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.859730][ T280] ? fdget+0x52/0x1e0 [ 10.859850][ T280] __sys_setsockopt+0x104/0x1a0 [ 10.860007][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.860165][ T280] ? __sys_socket+0x168/0x1e0 [ 10.860318][ T280] ? __pfx___sys_socket+0x10/0x10 [ 10.860469][ T280] ? do_user_addr_fault+0x374/0xe30 [ 10.860627][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.860780][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.860971][ T280] do_syscall_64+0xc1/0x1d0 [ 10.861126][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.861316][ T280] RIP: 0033:0x7f1f30a4091e [ 10.861486][ 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 [ 10.862018][ T280] RSP: 002b:00007ffefb608ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.862258][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f30a4091e [ 10.862487][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.862713][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.862944][ T280] R10: 00007ffefb608aec R11: 0000000000000246 R12: 0000000000000000 [ 10.863178][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1f30b45000 [ 10.863417][ T280] [ 10.866758][ T280] veth0: entered allmulticast mode [ 10.867382][ T280] veth1: entered allmulticast mode [ 10.867725][ T280] veth2: entered allmulticast mode [ 10.868050][ T280] veth3: entered allmulticast mode [ 22.075489][ T367] GACT probability NOT on [ 22.092905][ T365] tc (365) used greatest stack depth: 23704 bytes left [ 26.860619][ T483] ip (483) used greatest stack depth: 23400 bytes left [ 28.667659][ T280] veth0: left allmulticast mode [ 28.667997][ T280] veth1: left allmulticast mode [ 28.668237][ T280] veth2: left allmulticast mode [ 28.668468][ T280] veth3: left allmulticast mode