[ 1889.931817][T10689] [ 1889.932015][T10689] ============================= [ 1889.933622][T10689] WARNING: suspicious RCU usage [ 1889.934061][T10689] 6.12.0-rc6-virtme #1 Not tainted [ 1889.934450][T10689] ----------------------------- [ 1889.934801][T10689] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1889.935268][T10689] [ 1889.935268][T10689] other info that might help us debug this: [ 1889.935268][T10689] [ 1889.935893][T10689] [ 1889.935893][T10689] rcu_scheduler_active = 2, debug_locks = 1 [ 1889.936421][T10689] no locks held by smcrouted/10689. [ 1889.936809][T10689] [ 1889.936809][T10689] stack backtrace: [ 1889.937287][T10689] CPU: 3 UID: 0 PID: 10689 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1889.937712][T10689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1889.938247][T10689] Call Trace: [ 1889.938454][T10689] [ 1889.938590][T10689] dump_stack_lvl+0xb0/0xd0 [ 1889.938873][T10689] lockdep_rcu_suspicious+0x1ea/0x280 [ 1889.939135][T10689] ip6mr_get_table+0x142/0x190 [ 1889.939390][T10689] ip6_mroute_setsockopt+0x185/0x12d0 [ 1889.939640][T10689] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1889.939954][T10689] ? __lock_release+0x103/0x460 [ 1889.940197][T10689] ? __might_fault+0x11b/0x170 [ 1889.940440][T10689] ? trace_lock_acquire+0x14d/0x1f0 [ 1889.940704][T10689] ? __might_fault+0xc3/0x170 [ 1889.940935][T10689] ? lock_acquire+0x32/0xc0 [ 1889.941174][T10689] ? __might_fault+0xc3/0x170 [ 1889.941414][T10689] ? __might_fault+0x11b/0x170 [ 1889.941665][T10689] do_ipv6_setsockopt+0x705/0x34e0 [ 1889.941908][T10689] ? __lock_release+0xe0/0x460 [ 1889.942147][T10689] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1889.942379][T10689] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1889.942617][T10689] ? rcu_read_lock_any_held+0x43/0xb0 [ 1889.942850][T10689] ? validate_chain+0x1fe/0xae0 [ 1889.943085][T10689] ? is_bpf_text_address+0x67/0x120 [ 1889.943333][T10689] ? __pfx_validate_chain+0x10/0x10 [ 1889.943560][T10689] ? hlock_class+0x4e/0x130 [ 1889.943788][T10689] ? mark_lock+0x38/0x3e0 [ 1889.943976][T10689] ? __lock_acquire+0xb3f/0x1580 [ 1889.944242][T10689] ? find_held_lock+0x2c/0x110 [ 1889.944508][T10689] ? ipv6_setsockopt+0x7f/0xe0 [ 1889.944757][T10689] ipv6_setsockopt+0x7f/0xe0 [ 1889.945005][T10689] rawv6_setsockopt+0xb7/0x550 [ 1889.945342][T10689] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1889.945592][T10689] ? __lock_acquire+0xb3f/0x1580 [ 1889.945846][T10689] ? kfree+0x2d/0x340 [ 1889.946041][T10689] do_sock_setsockopt+0x149/0x3a0 [ 1889.946286][T10689] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1889.946521][T10689] ? __lock_release+0x103/0x460 [ 1889.946753][T10689] ? fd_install+0x1d1/0x5a0 [ 1889.946991][T10689] ? trace_lock_acquire+0x14d/0x1f0 [ 1889.947238][T10689] ? fdget+0x52/0x1e0 [ 1889.947434][T10689] __sys_setsockopt+0x104/0x1a0 [ 1889.947676][T10689] ? __pfx___sys_setsockopt+0x10/0x10 [ 1889.947908][T10689] ? __sys_socket+0x168/0x1e0 [ 1889.948153][T10689] ? __pfx___sys_socket+0x10/0x10 [ 1889.948415][T10689] __x64_sys_setsockopt+0xbd/0x160 [ 1889.948672][T10689] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1889.948985][T10689] do_syscall_64+0xc1/0x1d0 [ 1889.949264][T10689] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1889.949580][T10689] RIP: 0033:0x7f93de37091e [ 1889.949827][T10689] 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 [ 1889.950635][T10689] RSP: 002b:00007ffe41200ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1889.950873][T10689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93de37091e [ 1889.951123][T10689] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1889.951355][T10689] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1889.951579][T10689] R10: 00007ffe41200ecc R11: 0000000000000246 R12: 0000000000000000 [ 1889.951810][T10689] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f93de475000 [ 1889.952062][T10689] [ 1889.957138][T10689] veth0: entered allmulticast mode [ 1889.957676][T10689] veth1: entered allmulticast mode [ 1889.957987][T10689] veth2: entered allmulticast mode [ 1889.958371][T10689] veth3: entered allmulticast mode [ 1889.958684][T10689] veth4: entered allmulticast mode [ 1889.958989][T10689] veth5: entered allmulticast mode [ 1936.287422][T10689] veth0: left allmulticast mode [ 1936.287775][T10689] veth1: left allmulticast mode [ 1936.288030][T10689] veth2: left allmulticast mode [ 1936.288328][T10689] veth3: left allmulticast mode [ 1936.288579][T10689] veth4: left allmulticast mode [ 1936.288819][T10689] veth5: left allmulticast mode