[ 1297.846465][ T9782] [ 1297.846703][ T9782] ============================= [ 1297.846993][ T9782] WARNING: suspicious RCU usage [ 1297.847269][ T9782] 6.12.0-virtme #1 Not tainted [ 1297.847562][ T9782] ----------------------------- [ 1297.847841][ T9782] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1297.848245][ T9782] [ 1297.848245][ T9782] other info that might help us debug this: [ 1297.848245][ T9782] [ 1297.850328][ T9782] [ 1297.850328][ T9782] rcu_scheduler_active = 2, debug_locks = 1 [ 1297.850915][ T9782] no locks held by smcrouted/9782. [ 1297.851339][ T9782] [ 1297.851339][ T9782] stack backtrace: [ 1297.851699][ T9782] CPU: 2 UID: 0 PID: 9782 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 1297.852087][ T9782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1297.852413][ T9782] Call Trace: [ 1297.852613][ T9782] <TASK> [ 1297.852760][ T9782] dump_stack_lvl+0xb0/0xd0 [ 1297.853028][ T9782] lockdep_rcu_suspicious+0x1ea/0x280 [ 1297.853292][ T9782] ip6mr_get_table+0x142/0x190 [ 1297.853554][ T9782] ip6_mroute_setsockopt+0x185/0x12d0 [ 1297.853813][ T9782] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1297.854144][ T9782] ? __lock_release+0x103/0x460 [ 1297.854399][ T9782] ? __might_fault+0x11b/0x170 [ 1297.854664][ T9782] ? trace_lock_acquire+0x14d/0x1f0 [ 1297.854919][ T9782] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1297.855239][ T9782] ? __might_fault+0xc3/0x170 [ 1297.855490][ T9782] ? lock_acquire+0x32/0xc0 [ 1297.855741][ T9782] ? __might_fault+0xc3/0x170 [ 1297.855999][ T9782] ? __might_fault+0x11b/0x170 [ 1297.856266][ T9782] do_ipv6_setsockopt+0x705/0x34e0 [ 1297.856522][ T9782] ? validate_chain+0x160/0xae0 [ 1297.856787][ T9782] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1297.857050][ T9782] ? __pfx_validate_chain+0x10/0x10 [ 1297.857304][ T9782] ? hlock_class+0x4e/0x130 [ 1297.857557][ T9782] ? mark_lock+0x38/0x3e0 [ 1297.857762][ T9782] ? __lock_acquire+0xb9a/0x1680 [ 1297.858034][ T9782] ? find_held_lock+0x2c/0x110 [ 1297.858296][ T9782] ? __lock_release+0x103/0x460 [ 1297.858560][ T9782] ? __create_object+0x5e/0xb0 [ 1297.858820][ T9782] ? __pfx___lock_release+0x10/0x10 [ 1297.859083][ T9782] ? __pfx_validate_chain+0x10/0x10 [ 1297.859341][ T9782] ? hlock_class+0x4e/0x130 [ 1297.859594][ T9782] ? mark_lock+0x38/0x3e0 [ 1297.859799][ T9782] ? ipv6_setsockopt+0x7f/0xe0 [ 1297.860055][ T9782] ipv6_setsockopt+0x7f/0xe0 [ 1297.860322][ T9782] rawv6_setsockopt+0xb7/0x550 [ 1297.860580][ T9782] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1297.860832][ T9782] ? find_held_lock+0x2c/0x110 [ 1297.861095][ T9782] ? kfree+0x2d/0x340 [ 1297.861288][ T9782] ? __lock_release+0x103/0x460 [ 1297.861543][ T9782] ? fd_install+0x1d1/0x5a0 [ 1297.861808][ T9782] do_sock_setsockopt+0x149/0x3a0 [ 1297.862063][ T9782] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1297.862353][ T9782] __sys_setsockopt+0xec/0x160 [ 1297.862619][ T9782] __x64_sys_setsockopt+0xbd/0x160 [ 1297.862868][ T9782] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1297.863179][ T9782] do_syscall_64+0xc1/0x1d0 [ 1297.863439][ T9782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1297.863741][ T9782] RIP: 0033:0x7f8735dda91e [ 1297.864006][ T9782] 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 [ 1297.864876][ T9782] RSP: 002b:00007ffe17830db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1297.865265][ T9782] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8735dda91e [ 1297.865641][ T9782] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1297.866011][ T9782] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1297.866388][ T9782] R10: 00007ffe17830ddc R11: 0000000000000246 R12: 0000000000000000 [ 1297.866763][ T9782] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f8735edf000 [ 1297.867166][ T9782] </TASK> [ 1297.870729][ T9782] veth0: entered allmulticast mode [ 1297.871578][ T9782] veth1: entered allmulticast mode [ 1297.872117][ T9782] veth2: entered allmulticast mode [ 1297.872698][ T9782] veth3: entered allmulticast mode [ 1317.350384][ T9782] veth0: left allmulticast mode [ 1317.350727][ T9782] veth1: left allmulticast mode [ 1317.350987][ T9782] veth2: left allmulticast mode [ 1317.351258][ T9782] veth3: left allmulticast mode