[ 10.911870][ T280] [ 10.911999][ T280] ============================= [ 10.912166][ T280] WARNING: suspicious RCU usage [ 10.912334][ T280] 6.12.0-virtme #1 Not tainted [ 10.912557][ T280] ----------------------------- [ 10.912718][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.912957][ T280] [ 10.912957][ T280] other info that might help us debug this: [ 10.912957][ T280] [ 10.913264][ T280] [ 10.913264][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.913516][ T280] no locks held by smcrouted/280. [ 10.913675][ T280] [ 10.913675][ T280] stack backtrace: [ 10.913877][ T280] CPU: 3 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 10.914125][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.914324][ T280] Call Trace: [ 10.914455][ T280] [ 10.914542][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.914715][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.914880][ T280] ip6mr_get_table+0x142/0x190 [ 10.915045][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.915209][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.915415][ T280] ? __lock_release+0x103/0x460 [ 10.915575][ T280] ? __might_fault+0x11b/0x170 [ 10.915738][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.915903][ T280] ? __might_fault+0xc3/0x170 [ 10.916068][ T280] ? lock_acquire+0x32/0xc0 [ 10.916229][ T280] ? __might_fault+0xc3/0x170 [ 10.916391][ T280] ? __might_fault+0x11b/0x170 [ 10.916558][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.916730][ T280] ? validate_chain+0x160/0xae0 [ 10.916895][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.917057][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.917215][ T280] ? hlock_class+0x4e/0x130 [ 10.917374][ T280] ? mark_lock+0x38/0x3e0 [ 10.917497][ T280] ? __lock_acquire+0xb9a/0x1680 [ 10.917667][ T280] ? find_held_lock+0x2c/0x110 [ 10.917833][ T280] ? __lock_release+0x103/0x460 [ 10.917994][ T280] ? __create_object+0x5e/0xb0 [ 10.918155][ T280] ? __pfx___lock_release+0x10/0x10 [ 10.918315][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.918565][ T280] ? hlock_class+0x4e/0x130 [ 10.918723][ T280] ? mark_lock+0x38/0x3e0 [ 10.918850][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.919009][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.919171][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.919331][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.919491][ T280] ? find_held_lock+0x2c/0x110 [ 10.919654][ T280] ? kfree+0x2d/0x340 [ 10.919775][ T280] ? __lock_release+0x103/0x460 [ 10.919933][ T280] ? fd_install+0x1d1/0x5a0 [ 10.920095][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.920256][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.920431][ T280] __sys_setsockopt+0xec/0x160 [ 10.920595][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.920754][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.920956][ T280] do_syscall_64+0xc1/0x1d0 [ 10.921117][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.921314][ T280] RIP: 0033:0x7f15204b191e [ 10.921482][ 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 [ 10.922037][ T280] RSP: 002b:00007ffc151d2be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.922282][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15204b191e [ 10.922521][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.922761][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.922999][ T280] R10: 00007ffc151d2c0c R11: 0000000000000246 R12: 0000000000000000 [ 10.923242][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f15205b6000 [ 10.923492][ T280] [ 10.925811][ T280] veth0: entered allmulticast mode [ 10.926387][ T280] veth1: entered allmulticast mode [ 10.926714][ T280] veth2: entered allmulticast mode [ 10.927053][ T280] veth3: entered allmulticast mode [ 22.586297][ T368] GACT probability NOT on [ 29.459045][ T280] veth0: left allmulticast mode [ 29.459390][ T280] veth1: left allmulticast mode [ 29.459637][ T280] veth2: left allmulticast mode [ 29.459877][ T280] veth3: left allmulticast mode