[ 38.068449][ T926] sctp: Hash tables configured (bind 32/56) [ 65.626594][ T1108] [ 65.626843][ T1108] ============================= [ 65.627024][ T1108] WARNING: suspicious RCU usage [ 65.627194][ T1108] 6.12.0-rc6-virtme #1 Not tainted [ 65.627377][ T1108] ----------------------------- [ 65.627552][ T1108] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 65.627803][ T1108] [ 65.627803][ T1108] other info that might help us debug this: [ 65.627803][ T1108] [ 65.628126][ T1108] [ 65.628126][ T1108] rcu_scheduler_active = 2, debug_locks = 1 [ 65.628545][ T1108] 1 lock held by sctp_hello/1108: [ 65.628720][ T1108] #0: ffff88800fad3b98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp] [ 65.629069][ T1108] [ 65.629069][ T1108] stack backtrace: [ 65.629314][ T1108] CPU: 3 UID: 0 PID: 1108 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1 [ 65.629773][ T1108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.629987][ T1108] Call Trace: [ 65.630119][ T1108] [ 65.630212][ T1108] dump_stack_lvl+0xb0/0xd0 [ 65.630397][ T1108] lockdep_rcu_suspicious+0x1ea/0x280 [ 65.630571][ T1108] dev_get_by_index_rcu+0x14f/0x190 [ 65.630748][ T1108] sctp_v6_available+0xaf/0x3a0 [sctp] [ 65.630960][ T1108] sctp_do_bind+0x128/0x5f0 [sctp] [ 65.631168][ T1108] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 65.631392][ T1108] sctp_bind+0x86/0xe0 [sctp] [ 65.631598][ T1108] inet6_bind_sk+0xd0/0x1c0 [ 65.631773][ T1108] ? __pfx_inet6_bind_sk+0x10/0x10 [ 65.631945][ T1108] ? __might_fault+0x11b/0x170 [ 65.632122][ T1108] __sys_bind+0x114/0x1d0 [ 65.632254][ T1108] ? __pfx___sys_bind+0x10/0x10 [ 65.632424][ T1108] ? __up_read+0x1a7/0x780 [ 65.632604][ T1108] ? do_user_addr_fault+0x972/0xe30 [ 65.632779][ T1108] ? do_user_addr_fault+0x97c/0xe30 [ 65.632956][ T1108] __x64_sys_bind+0x72/0xb0 [ 65.633128][ T1108] do_syscall_64+0xc1/0x1d0 [ 65.633300][ T1108] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.633512][ T1108] RIP: 0033:0x7fdb7c832b2b [ 65.633688][ T1108] Code: 73 01 c3 48 8b 0d d5 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 31 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a5 92 1b 00 f7 d8 64 89 01 48 [ 65.634262][ T1108] RSP: 002b:00007ffd914a9e48 EFLAGS: 00000206 ORIG_RAX: 0000000000000031 [ 65.634521][ T1108] RAX: ffffffffffffffda RBX: 00007ffd914aa038 RCX: 00007fdb7c832b2b [ 65.634771][ T1108] RDX: 000000000000001c RSI: 00007ffd914a9e80 RDI: 0000000000000005 [ 65.635021][ T1108] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000 [ 65.635269][ T1108] R10: 00007fdb7c803d90 R11: 0000000000000206 R12: 00007ffd914aa9da [ 65.635522][ T1108] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007fdb7ca3d000 [ 65.635792][ T1108]