diff options
Diffstat (limited to 'pkg/sentry/fs')
| -rw-r--r-- | pkg/sentry/fs/proc/uid_gid_map.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pkg/sentry/fs/proc/uid_gid_map.go b/pkg/sentry/fs/proc/uid_gid_map.go index a52e0cb1f..0c68bbfc9 100644 --- a/pkg/sentry/fs/proc/uid_gid_map.go +++ b/pkg/sentry/fs/proc/uid_gid_map.go @@ -169,5 +169,8 @@ func (imfo *idMapFileOperations) Write(ctx context.Context, file *fs.File, src u if err != nil { return 0, err } - return int64(len(b)), nil + + // On success, Linux's kernel/user_namespace.c:map_write() always returns + // count, even if fewer bytes were used. + return int64(srclen), nil } |