netbird/gvisor
0
0
Fork 0
mirror of https://github.com/netbirdio/gvisor.git synced 2026-05-22 17:12:49 -07:00
Code Issues Packages Projects Releases Wiki Activity

Internal change.

Browse Source 
PiperOrigin-RevId: 240842801
Change-Id: Ibbd6f849f9613edc1b1dd7a99a97d1ecdb6e9188
This commit is contained in:
Googler
2019-03-28 13:43:47 -07:00
committed by Shentubot
parent f005350c93
commit e373d3642e
1 changed files with 14 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
pkg/sentry/fs/proc/uid_gid_map.go
+14 -1
View File
@@ -134,10 +134,23 @@ func (imfo *idMapFileOperations) Write(ctx context.Context, file *fs.File, src u
if _, err := src.CopyIn(ctx, b); err != nil {
return 0, err
}
lines := bytes.SplitN(bytes.TrimSpace(b), []byte("\n"), maxIDMapLines+1)
// Truncate from the first NULL byte.
var nul int64
nul = int64(bytes.IndexByte(b, 0))
if nul == -1 {
nul = srclen
}
b = b[:nul]
// Remove the last \n.
if nul >= 1 && b[nul-1] == '\n' {
b = b[:nul-1]
}
lines := bytes.SplitN(b, []byte("\n"), maxIDMapLines+1)
if len(lines) > maxIDMapLines {
return 0, syserror.EINVAL
}
entries := make([]auth.IDMapEntry, len(lines))
for i, l := range lines {
var e auth.IDMapEntry