[ 1250.443173][T13522] [ 1250.443304][T13522] ============================= [ 1250.443474][T13522] WARNING: suspicious RCU usage [ 1250.443670][T13522] 6.12.0-rc7-virtme #1 Not tainted [ 1250.443856][T13522] ----------------------------- [ 1250.444016][T13522] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1250.444267][T13522] [ 1250.444267][T13522] other info that might help us debug this: [ 1250.444267][T13522] [ 1250.444575][T13522] [ 1250.444575][T13522] rcu_scheduler_active = 2, debug_locks = 1 [ 1250.444823][T13522] no locks held by smcrouted/13522. [ 1250.444994][T13522] [ 1250.444994][T13522] stack backtrace: [ 1250.445206][T13522] CPU: 0 UID: 0 PID: 13522 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1250.445496][T13522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1250.445700][T13522] Call Trace: [ 1250.445832][T13522] [ 1250.445923][T13522] dump_stack_lvl+0xb0/0xd0 [ 1250.446106][T13522] lockdep_rcu_suspicious+0x1ea/0x280 [ 1250.446274][T13522] ip6mr_get_table+0x142/0x190 [ 1250.446443][T13522] ip6_mroute_setsockopt+0x185/0x12d0 [ 1250.446606][T13522] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1250.446820][T13522] ? __lock_release+0x103/0x460 [ 1250.446984][T13522] ? __might_fault+0x11b/0x170 [ 1250.447150][T13522] ? trace_lock_acquire+0x14d/0x1f0 [ 1250.447320][T13522] ? __might_fault+0xc3/0x170 [ 1250.447490][T13522] ? lock_acquire+0x32/0xc0 [ 1250.447655][T13522] ? __might_fault+0xc3/0x170 [ 1250.447831][T13522] ? __might_fault+0x11b/0x170 [ 1250.448018][T13522] do_ipv6_setsockopt+0x705/0x34e0 [ 1250.448186][T13522] ? __lock_release+0x10/0x460 [ 1250.448348][T13522] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1250.448516][T13522] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1250.448683][T13522] ? rcu_read_lock_any_held+0x43/0xb0 [ 1250.448848][T13522] ? validate_chain+0x1fe/0xae0 [ 1250.449012][T13522] ? is_bpf_text_address+0x67/0x120 [ 1250.449188][T13522] ? __pfx_validate_chain+0x10/0x10 [ 1250.449350][T13522] ? hlock_class+0x4e/0x130 [ 1250.449516][T13522] ? mark_lock+0x38/0x3e0 [ 1250.449643][T13522] ? __lock_acquire+0xb3f/0x1580 [ 1250.449817][T13522] ? find_held_lock+0x2c/0x110 [ 1250.449987][T13522] ? ipv6_setsockopt+0x7f/0xe0 [ 1250.450150][T13522] ipv6_setsockopt+0x7f/0xe0 [ 1250.450314][T13522] rawv6_setsockopt+0xb7/0x550 [ 1250.450485][T13522] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1250.450650][T13522] ? __lock_acquire+0xb3f/0x1580 [ 1250.450814][T13522] ? kfree+0x2d/0x340 [ 1250.450945][T13522] do_sock_setsockopt+0x149/0x3a0 [ 1250.451117][T13522] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1250.451284][T13522] ? __lock_release+0x103/0x460 [ 1250.451449][T13522] ? fd_install+0x1d1/0x5a0 [ 1250.451620][T13522] ? trace_lock_acquire+0x14d/0x1f0 [ 1250.451790][T13522] ? fdget+0x52/0x1e0 [ 1250.451923][T13522] __sys_setsockopt+0x104/0x1a0 [ 1250.452096][T13522] ? __pfx___sys_setsockopt+0x10/0x10 [ 1250.452260][T13522] ? __sys_socket+0x168/0x1e0 [ 1250.452426][T13522] ? __pfx___sys_socket+0x10/0x10 [ 1250.452591][T13522] ? do_user_addr_fault+0x374/0xe30 [ 1250.452762][T13522] __x64_sys_setsockopt+0xbd/0x160 [ 1250.452928][T13522] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1250.453131][T13522] do_syscall_64+0xc1/0x1d0 [ 1250.453296][T13522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1250.453500][T13522] RIP: 0033:0x7f5626fab91e [ 1250.453677][T13522] 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 [ 1250.454272][T13522] RSP: 002b:00007ffd3d511e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1250.454537][T13522] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5626fab91e [ 1250.454790][T13522] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1250.455045][T13522] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1250.455328][T13522] R10: 00007ffd3d511eac R11: 0000000000000246 R12: 0000000000000000 [ 1250.455571][T13522] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f56270b0000 [ 1250.455830][T13522] [ 1250.458605][T13522] veth0: entered allmulticast mode [ 1250.459145][T13522] veth1: entered allmulticast mode [ 1250.459487][T13522] veth2: entered allmulticast mode [ 1250.459822][T13522] veth3: entered allmulticast mode [ 1250.460156][T13522] veth4: entered allmulticast mode [ 1250.460478][T13522] veth5: entered allmulticast mode [ 1277.963302][T13522] veth0: left allmulticast mode [ 1277.963762][T13522] veth1: left allmulticast mode [ 1277.964008][T13522] veth2: left allmulticast mode [ 1277.964261][T13522] veth3: left allmulticast mode [ 1277.964502][T13522] veth4: left allmulticast mode [ 1277.964741][T13522] veth5: left allmulticast mode