[ 10.751057][ T280] [ 10.751202][ T280] ============================= [ 10.751388][ T280] WARNING: suspicious RCU usage [ 10.751587][ T280] 6.12.0-rc6-virtme #1 Not tainted [ 10.751774][ T280] ----------------------------- [ 10.751950][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.752208][ T280] [ 10.752208][ T280] other info that might help us debug this: [ 10.752208][ T280] [ 10.752567][ T280] [ 10.752567][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.752823][ T280] no locks held by smcrouted/280. [ 10.752999][ T280] [ 10.752999][ T280] stack backtrace: [ 10.753215][ T280] CPU: 0 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 10.753501][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.753720][ T280] Call Trace: [ 10.753854][ T280] [ 10.753946][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.754129][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.754307][ T280] ip6mr_get_table+0x142/0x190 [ 10.754496][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.754671][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.754892][ T280] ? __lock_release+0x103/0x460 [ 10.755061][ T280] ? __might_fault+0x11b/0x170 [ 10.755237][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.755414][ T280] ? __might_fault+0xc3/0x170 [ 10.755585][ T280] ? lock_acquire+0x32/0xc0 [ 10.755759][ T280] ? __might_fault+0xc3/0x170 [ 10.755934][ T280] ? __might_fault+0x11b/0x170 [ 10.756110][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.756282][ T280] ? __lock_release+0xe0/0x460 [ 10.756451][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.756629][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.756802][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.756983][ T280] ? validate_chain+0x1fe/0xae0 [ 10.757154][ T280] ? is_bpf_text_address+0x67/0x120 [ 10.757337][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.757507][ T280] ? hlock_class+0x4e/0x130 [ 10.757674][ T280] ? mark_lock+0x38/0x3e0 [ 10.757812][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.757989][ T280] ? find_held_lock+0x2c/0x110 [ 10.758174][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.758354][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.758525][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.758697][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.758869][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.759040][ T280] ? kfree+0x2d/0x340 [ 10.759175][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.759348][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.759520][ T280] ? __lock_release+0x103/0x460 [ 10.759692][ T280] ? fd_install+0x1d1/0x5a0 [ 10.759870][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.760045][ T280] ? fdget+0x52/0x1e0 [ 10.760177][ T280] __sys_setsockopt+0x104/0x1a0 [ 10.760353][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.760523][ T280] ? __sys_socket+0x168/0x1e0 [ 10.760696][ T280] ? __pfx___sys_socket+0x10/0x10 [ 10.760868][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.761042][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.761256][ T280] do_syscall_64+0xc1/0x1d0 [ 10.761427][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.761639][ T280] RIP: 0033:0x7fa77982b91e [ 10.761836][ 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 [ 10.762440][ T280] RSP: 002b:00007ffe062c8768 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.762702][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa77982b91e [ 10.762954][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.763213][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.763467][ T280] R10: 00007ffe062c878c R11: 0000000000000246 R12: 0000000000000000 [ 10.763720][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fa779930000 [ 10.763995][ T280] [ 10.768060][ T280] veth0: entered allmulticast mode [ 10.768731][ T280] veth1: entered allmulticast mode [ 10.769086][ T280] veth2: entered allmulticast mode [ 10.771691][ T280] veth3: entered allmulticast mode [ 22.086967][ T367] GACT probability NOT on [ 28.459237][ T280] veth0: left allmulticast mode [ 28.459573][ T280] veth1: left allmulticast mode [ 28.459810][ T280] veth2: left allmulticast mode [ 28.460035][ T280] veth3: left allmulticast mode