[ 1325.060812][ T8009] [ 1325.060949][ T8009] ============================= [ 1325.061125][ T8009] WARNING: suspicious RCU usage [ 1325.061295][ T8009] 6.12.0-rc7-virtme #1 Not tainted [ 1325.061469][ T8009] ----------------------------- [ 1325.061983][ T8009] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1325.062246][ T8009] [ 1325.062246][ T8009] other info that might help us debug this: [ 1325.062246][ T8009] [ 1325.062585][ T8009] [ 1325.062585][ T8009] rcu_scheduler_active = 2, debug_locks = 1 [ 1325.062859][ T8009] no locks held by smcrouted/8009. [ 1325.063031][ T8009] [ 1325.063031][ T8009] stack backtrace: [ 1325.063246][ T8009] CPU: 0 UID: 0 PID: 8009 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1325.063546][ T8009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1325.063764][ T8009] Call Trace: [ 1325.063887][ T8009] [ 1325.063984][ T8009] dump_stack_lvl+0xb0/0xd0 [ 1325.064154][ T8009] lockdep_rcu_suspicious+0x1ea/0x280 [ 1325.064319][ T8009] ip6mr_get_table+0x142/0x190 [ 1325.064496][ T8009] ip6_mroute_setsockopt+0x185/0x12d0 [ 1325.064667][ T8009] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1325.064890][ T8009] ? __lock_release+0x103/0x460 [ 1325.065051][ T8009] ? __might_fault+0x11b/0x170 [ 1325.065222][ T8009] ? trace_lock_acquire+0x14d/0x1f0 [ 1325.065406][ T8009] ? __might_fault+0xc3/0x170 [ 1325.065568][ T8009] ? lock_acquire+0x32/0xc0 [ 1325.065739][ T8009] ? __might_fault+0xc3/0x170 [ 1325.065943][ T8009] ? __might_fault+0x11b/0x170 [ 1325.066122][ T8009] do_ipv6_setsockopt+0x705/0x34e0 [ 1325.066286][ T8009] ? __lock_release+0x10/0x460 [ 1325.066449][ T8009] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1325.066633][ T8009] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1325.066800][ T8009] ? rcu_read_lock_any_held+0x43/0xb0 [ 1325.066959][ T8009] ? validate_chain+0x1fe/0xae0 [ 1325.067143][ T8009] ? is_bpf_text_address+0x67/0x120 [ 1325.067315][ T8009] ? __pfx_validate_chain+0x10/0x10 [ 1325.067476][ T8009] ? hlock_class+0x4e/0x130 [ 1325.067667][ T8009] ? mark_lock+0x38/0x3e0 [ 1325.067794][ T8009] ? __lock_acquire+0xb3f/0x1580 [ 1325.067963][ T8009] ? find_held_lock+0x2c/0x110 [ 1325.068135][ T8009] ? ipv6_setsockopt+0x7f/0xe0 [ 1325.068295][ T8009] ipv6_setsockopt+0x7f/0xe0 [ 1325.068459][ T8009] rawv6_setsockopt+0xb7/0x550 [ 1325.068628][ T8009] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1325.068809][ T8009] ? __lock_acquire+0xb3f/0x1580 [ 1325.068999][ T8009] ? kfree+0x2d/0x340 [ 1325.069134][ T8009] do_sock_setsockopt+0x149/0x3a0 [ 1325.069296][ T8009] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1325.069452][ T8009] ? __lock_release+0x103/0x460 [ 1325.069613][ T8009] ? fd_install+0x1d1/0x5a0 [ 1325.069802][ T8009] ? trace_lock_acquire+0x14d/0x1f0 [ 1325.069968][ T8009] ? fdget+0x52/0x1e0 [ 1325.070122][ T8009] __sys_setsockopt+0x104/0x1a0 [ 1325.070289][ T8009] ? __pfx___sys_setsockopt+0x10/0x10 [ 1325.070460][ T8009] ? __sys_socket+0x168/0x1e0 [ 1325.070644][ T8009] ? __pfx___sys_socket+0x10/0x10 [ 1325.070803][ T8009] ? do_user_addr_fault+0x374/0xe30 [ 1325.070982][ T8009] __x64_sys_setsockopt+0xbd/0x160 [ 1325.071144][ T8009] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1325.071369][ T8009] do_syscall_64+0xc1/0x1d0 [ 1325.071538][ T8009] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1325.071938][ T8009] RIP: 0033:0x7eff701ef91e [ 1325.072111][ T8009] 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 [ 1325.072714][ T8009] RSP: 002b:00007ffdc69d2808 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1325.073057][ T8009] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff701ef91e [ 1325.073297][ T8009] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1325.073537][ T8009] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1325.073798][ T8009] R10: 00007ffdc69d282c R11: 0000000000000246 R12: 0000000000000000 [ 1325.074072][ T8009] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007eff702f4000 [ 1325.074438][ T8009] [ 1325.078399][ T8009] veth0: entered allmulticast mode [ 1325.078946][ T8009] veth1: entered allmulticast mode [ 1325.079274][ T8009] veth2: entered allmulticast mode [ 1325.079635][ T8009] veth3: entered allmulticast mode [ 1325.079954][ T8009] veth4: entered allmulticast mode [ 1325.080270][ T8009] veth5: entered allmulticast mode [ 1350.776288][ T8009] veth0: left allmulticast mode [ 1350.776691][ T8009] veth1: left allmulticast mode [ 1350.776948][ T8009] veth2: left allmulticast mode [ 1350.777189][ T8009] veth3: left allmulticast mode [ 1350.777424][ T8009] veth4: left allmulticast mode [ 1350.777689][ T8009] veth5: left allmulticast mode