[ 10.112884][ T258] ip (258) used greatest stack depth: 24536 bytes left [ 10.689105][ T279] [ 10.689232][ T279] ============================= [ 10.689421][ T279] WARNING: suspicious RCU usage [ 10.689588][ T279] 6.12.0-rc7-virtme #1 Not tainted [ 10.689747][ T279] ----------------------------- [ 10.689903][ T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.690132][ T279] [ 10.690132][ T279] other info that might help us debug this: [ 10.690132][ T279] [ 10.690478][ T279] [ 10.690478][ T279] rcu_scheduler_active = 2, debug_locks = 1 [ 10.690706][ T279] no locks held by smcrouted/279. [ 10.690863][ T279] [ 10.690863][ T279] stack backtrace: [ 10.691060][ T279] CPU: 3 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 10.691296][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.691489][ T279] Call Trace: [ 10.691611][ T279] [ 10.691701][ T279] dump_stack_lvl+0xb0/0xd0 [ 10.691867][ T279] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.692031][ T279] ip6mr_get_table+0x142/0x190 [ 10.692196][ T279] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.692359][ T279] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.692561][ T279] ? __lock_release+0x103/0x460 [ 10.692717][ T279] ? __might_fault+0x11b/0x170 [ 10.692875][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 10.693037][ T279] ? __might_fault+0xc3/0x170 [ 10.693196][ T279] ? lock_acquire+0x32/0xc0 [ 10.693349][ T279] ? __might_fault+0xc3/0x170 [ 10.693509][ T279] ? __might_fault+0x11b/0x170 [ 10.693672][ T279] do_ipv6_setsockopt+0x705/0x34e0 [ 10.693832][ T279] ? __lock_release+0x10/0x460 [ 10.693991][ T279] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.694146][ T279] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.694310][ T279] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.694470][ T279] ? validate_chain+0x1fe/0xae0 [ 10.694625][ T279] ? is_bpf_text_address+0x67/0x120 [ 10.694791][ T279] ? __pfx_validate_chain+0x10/0x10 [ 10.694948][ T279] ? hlock_class+0x4e/0x130 [ 10.695104][ T279] ? mark_lock+0x38/0x3e0 [ 10.695229][ T279] ? __lock_acquire+0xb3f/0x1580 [ 10.695391][ T279] ? find_held_lock+0x2c/0x110 [ 10.695557][ T279] ? ipv6_setsockopt+0x7f/0xe0 [ 10.695716][ T279] ipv6_setsockopt+0x7f/0xe0 [ 10.695875][ T279] rawv6_setsockopt+0xb7/0x550 [ 10.696037][ T279] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.696194][ T279] ? __lock_acquire+0xb3f/0x1580 [ 10.696355][ T279] ? kfree+0x2d/0x340 [ 10.696488][ T279] do_sock_setsockopt+0x149/0x3a0 [ 10.696647][ T279] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.696803][ T279] ? __lock_release+0x103/0x460 [ 10.696958][ T279] ? fd_install+0x1d1/0x5a0 [ 10.697118][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 10.697282][ T279] ? fdget+0x52/0x1e0 [ 10.697409][ T279] __sys_setsockopt+0x104/0x1a0 [ 10.697569][ T279] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.697726][ T279] ? __sys_socket+0x168/0x1e0 [ 10.697886][ T279] ? __pfx___sys_socket+0x10/0x10 [ 10.698046][ T279] ? do_user_addr_fault+0x374/0xe30 [ 10.698206][ T279] __x64_sys_setsockopt+0xbd/0x160 [ 10.698365][ T279] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.698574][ T279] do_syscall_64+0xc1/0x1d0 [ 10.698735][ T279] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.698932][ T279] RIP: 0033:0x7fe3082eb91e [ 10.699097][ T279] 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 [ 10.699647][ T279] RSP: 002b:00007fffc2079ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.699891][ T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3082eb91e [ 10.700132][ T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.700365][ T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.700602][ T279] R10: 00007fffc2079bcc R11: 0000000000000246 R12: 0000000000000000 [ 10.700840][ T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fe3083f0000 [ 10.701084][ T279] [ 10.703608][ T279] veth0: entered allmulticast mode [ 10.704200][ T279] veth1: entered allmulticast mode [ 10.704536][ T279] veth2: entered allmulticast mode [ 10.704863][ T279] veth3: entered allmulticast mode [ 21.853005][ T366] GACT probability NOT on [ 21.872333][ T364] tc (364) used greatest stack depth: 24376 bytes left [ 28.407437][ T279] veth0: left allmulticast mode [ 28.407786][ T279] veth1: left allmulticast mode [ 28.408393][ T279] veth2: left allmulticast mode [ 28.408628][ T279] veth3: left allmulticast mode