diff options
| -rw-r--r-- | pkg/sentry/fsimpl/gofer/gofer.go | 9 | ||||
| -rw-r--r-- | test/syscalls/BUILD | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/pkg/sentry/fsimpl/gofer/gofer.go b/pkg/sentry/fsimpl/gofer/gofer.go index 709b5e496..8e74e60a5 100644 --- a/pkg/sentry/fsimpl/gofer/gofer.go +++ b/pkg/sentry/fsimpl/gofer/gofer.go @@ -900,6 +900,12 @@ func (d *dentry) setStat(ctx context.Context, creds *auth.Credentials, stat *lin } d.metadataMu.Lock() defer d.metadataMu.Unlock() + if stat.Mask&linux.STATX_SIZE != 0 { + // The size needs to be changed even when + // !d.cachedMetadataAuthoritative() because d.mappings has to be + // updated. + d.updateFileSizeLocked(stat.Size) + } if !d.isSynthetic() { if stat.Mask != 0 { if err := d.file.setAttr(ctx, p9.SetAttrMask{ @@ -961,9 +967,6 @@ func (d *dentry) setStat(ctx context.Context, creds *auth.Credentials, stat *lin stat.Mask |= linux.STATX_MTIME } atomic.StoreInt64(&d.ctime, now) - if stat.Mask&linux.STATX_SIZE != 0 { - d.updateFileSizeLocked(stat.Size) - } return nil } diff --git a/test/syscalls/BUILD b/test/syscalls/BUILD index 790190273..6fe397af9 100644 --- a/test/syscalls/BUILD +++ b/test/syscalls/BUILD @@ -357,6 +357,7 @@ syscall_test( size = "medium", shard_count = 5, test = "//test/syscalls/linux:mmap_test", + vfs2 = "True", ) syscall_test( |