[ 10.405001][ T259] ip (259) used greatest stack depth: 24112 bytes left [ 11.025467][ T280] [ 11.025601][ T280] ============================= [ 11.025778][ T280] WARNING: suspicious RCU usage [ 11.025951][ T280] 6.12.0-rc6-virtme #1 Not tainted [ 11.026310][ T280] ----------------------------- [ 11.026482][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.026729][ T280] [ 11.026729][ T280] other info that might help us debug this: [ 11.026729][ T280] [ 11.027057][ T280] [ 11.027057][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 11.027325][ T280] no locks held by smcrouted/280. [ 11.027498][ T280] [ 11.027498][ T280] stack backtrace: [ 11.027708][ T280] CPU: 0 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 11.027964][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.028175][ T280] Call Trace: [ 11.028308][ T280] [ 11.028400][ T280] dump_stack_lvl+0xb0/0xd0 [ 11.028581][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.028759][ T280] ip6mr_get_table+0x142/0x190 [ 11.028933][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.029112][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.029335][ T280] ? __lock_release+0x103/0x460 [ 11.029507][ T280] ? __might_fault+0x11b/0x170 [ 11.029680][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 11.029857][ T280] ? __might_fault+0xc3/0x170 [ 11.030035][ T280] ? lock_acquire+0x32/0xc0 [ 11.030206][ T280] ? __might_fault+0xc3/0x170 [ 11.030378][ T280] ? __might_fault+0x11b/0x170 [ 11.030557][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 11.030733][ T280] ? __lock_release+0xe0/0x460 [ 11.030911][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.031081][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 11.031255][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 11.031428][ T280] ? validate_chain+0x1fe/0xae0 [ 11.031602][ T280] ? is_bpf_text_address+0x67/0x120 [ 11.031782][ T280] ? __pfx_validate_chain+0x10/0x10 [ 11.031954][ T280] ? hlock_class+0x4e/0x130 [ 11.032122][ T280] ? mark_lock+0x38/0x3e0 [ 11.032262][ T280] ? __lock_acquire+0xb3f/0x1580 [ 11.032442][ T280] ? find_held_lock+0x2c/0x110 [ 11.032623][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 11.032792][ T280] ipv6_setsockopt+0x7f/0xe0 [ 11.032965][ T280] rawv6_setsockopt+0xb7/0x550 [ 11.033143][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.033313][ T280] ? __lock_acquire+0xb3f/0x1580 [ 11.033488][ T280] ? kfree+0x2d/0x340 [ 11.033626][ T280] do_sock_setsockopt+0x149/0x3a0 [ 11.033800][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.033975][ T280] ? __lock_release+0x103/0x460 [ 11.034149][ T280] ? fd_install+0x1d1/0x5a0 [ 11.034325][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 11.034503][ T280] ? fdget+0x52/0x1e0 [ 11.034639][ T280] __sys_setsockopt+0x104/0x1a0 [ 11.034813][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 11.034989][ T280] ? __sys_socket+0x168/0x1e0 [ 11.035159][ T280] ? __pfx___sys_socket+0x10/0x10 [ 11.035335][ T280] ? do_user_addr_fault+0x374/0xe30 [ 11.035553][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 11.035723][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.035935][ T280] do_syscall_64+0xc1/0x1d0 [ 11.036117][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.036328][ T280] RIP: 0033:0x7f5ae311b91e [ 11.036508][ 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 [ 11.037104][ T280] RSP: 002b:00007ffd918ee498 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.037368][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ae311b91e [ 11.037627][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.037879][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.038135][ T280] R10: 00007ffd918ee4bc R11: 0000000000000246 R12: 0000000000000000 [ 11.038391][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f5ae3220000 [ 11.038657][ T280] [ 11.043642][ T280] veth0: entered allmulticast mode [ 11.044254][ T280] veth1: entered allmulticast mode [ 11.044593][ T280] veth2: entered allmulticast mode [ 11.044917][ T280] veth3: entered allmulticast mode [ 22.318334][ T367] GACT probability NOT on [ 29.201828][ T280] veth0: left allmulticast mode [ 29.202227][ T280] veth1: left allmulticast mode [ 29.202477][ T280] veth2: left allmulticast mode [ 29.202717][ T280] veth3: left allmulticast mode