fix: 9p: limit read size to replybuffer size (fix Linux 5.15)

2022-02-11 20:36:15 +01:00 · 2022-02-11 20:36:15 +01:00 · 4fa37f354f
parent 654abe97e3
commit 4fa37f354f
1 changed files with 2 additions and 0 deletions
--- a/lib/9p.js
+++ b/lib/9p.js
@ -593,6 +593,8 @@ Virtio9p.prototype.ReceiveRequest = async function (bufchain) {
                this.fs.OpenInode(this.fids[fid].inodeid, undefined);
                const inodeid = this.fids[fid].inodeid;

+                count = Math.min(count, this.replybuffer.length - (7 + 4));
+
                if (inode.size < offset+count) count = inode.size - offset;
                else if(id == 40)
                {