svc: failed to register lockdv1 RPC service (errno 111). lockd_up: makesock failed, error=-111 ------------[ cut here ]------------ kernel BUG at net/sunrpc/svc.c:572! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9629 Comm: syz.8.1041 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:572 Code: 5f 5d e9 ff ae c3 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 43 c4 f8 e9 17 ff ff ff e8 ac 20 7f f8 <0f> 0b e8 a5 20 7f f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90002effaa0 EFLAGS: 00010246 RAX: ffffffff88f9e0d4 RBX: ffff8880629a4c50 RCX: 0000000000080000 RDX: ffffc9000e329000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 0000000000000001 R08: ffffffff901ee2cf R09: 1ffffffff203dc59 R10: dffffc0000000000 R11: fffffbfff203dc5a R12: dffffc0000000000 R13: ffff888023464000 R14: ffff8880629a4c68 R15: ffff8880760b9a80 FS: 00007fdf626ce6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8b1f82dac CR3: 0000000051c7f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kref_put include/linux/kref.h:65 [inline] svc_put include/linux/sunrpc/svc.h:123 [inline] nfsd_svc+0x7cf/0x9e0 fs/nfsd/nfssvc.c:821 write_threads+0x2ea/0x350 fs/nfsd/nfsctl.c:426 nfsctl_transaction_write+0x105/0x150 fs/nfsd/nfsctl.c:114 vfs_write+0x304/0xd70 fs/read_write.c:592 ksys_write+0x153/0x260 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fdf64496e99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdf626ce028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdf6471f090 RCX: 00007fdf64496e99 RDX: 0000000000000002 RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 00007fdf6452ceaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdf6471f128 R14: 00007fdf6471f090 R15: 00007ffc43cb9208 Modules linked in: ---[ end trace 3e1e62612cac26d7 ]--- RIP: 0010:svc_destroy+0x184/0x190 net/sunrpc/svc.c:572 Code: 5f 5d e9 ff ae c3 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 66 43 c4 f8 e9 17 ff ff ff e8 ac 20 7f f8 <0f> 0b e8 a5 20 7f f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90002effaa0 EFLAGS: 00010246 RAX: ffffffff88f9e0d4 RBX: ffff8880629a4c50 RCX: 0000000000080000 RDX: ffffc9000e329000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 0000000000000001 R08: ffffffff901ee2cf R09: 1ffffffff203dc59 R10: dffffc0000000000 R11: fffffbfff203dc5a R12: dffffc0000000000 R13: ffff888023464000 R14: ffff8880629a4c68 R15: ffff8880760b9a80 FS: 00007fdf626ce6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f003aecf158 CR3: 0000000051c7f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400