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-rw-r--r--pkg/sentry/fsimpl/overlay/BUILD1
-rw-r--r--pkg/sentry/fsimpl/overlay/copy_up.go3
-rw-r--r--pkg/sentry/fsimpl/overlay/filesystem.go13
3 files changed, 10 insertions, 7 deletions
diff --git a/pkg/sentry/fsimpl/overlay/BUILD b/pkg/sentry/fsimpl/overlay/BUILD
index 5504476c8..ed730e215 100644
--- a/pkg/sentry/fsimpl/overlay/BUILD
+++ b/pkg/sentry/fsimpl/overlay/BUILD
@@ -29,6 +29,7 @@ go_library(
deps = [
"//pkg/abi/linux",
"//pkg/context",
+ "//pkg/errors/linuxerr",
"//pkg/fspath",
"//pkg/hostarch",
"//pkg/log",
diff --git a/pkg/sentry/fsimpl/overlay/copy_up.go b/pkg/sentry/fsimpl/overlay/copy_up.go
index 45aa5a494..8fd51e9d0 100644
--- a/pkg/sentry/fsimpl/overlay/copy_up.go
+++ b/pkg/sentry/fsimpl/overlay/copy_up.go
@@ -20,6 +20,7 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
+ "gvisor.dev/gvisor/pkg/errors/linuxerr"
"gvisor.dev/gvisor/pkg/fspath"
"gvisor.dev/gvisor/pkg/hostarch"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
@@ -349,7 +350,7 @@ func (d *dentry) copyXattrsLocked(ctx context.Context) error {
lowerXattrs, err := vfsObj.ListXattrAt(ctx, d.fs.creds, lowerPop, 0)
if err != nil {
- if err == syserror.EOPNOTSUPP {
+ if linuxerr.Equals(linuxerr.EOPNOTSUPP, err) {
// There are no guarantees as to the contents of lowerXattrs.
return nil
}
diff --git a/pkg/sentry/fsimpl/overlay/filesystem.go b/pkg/sentry/fsimpl/overlay/filesystem.go
index 6b6fa0bd5..81745bccd 100644
--- a/pkg/sentry/fsimpl/overlay/filesystem.go
+++ b/pkg/sentry/fsimpl/overlay/filesystem.go
@@ -21,6 +21,7 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
+ "gvisor.dev/gvisor/pkg/errors/linuxerr"
"gvisor.dev/gvisor/pkg/fspath"
"gvisor.dev/gvisor/pkg/log"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
@@ -218,7 +219,7 @@ func (fs *filesystem) lookupLocked(ctx context.Context, parent *dentry, name str
Start: parentVD,
Path: childPath,
}, &vfs.GetDentryOptions{})
- if err == syserror.ENOENT || err == syserror.ENAMETOOLONG {
+ if linuxerr.Equals(linuxerr.ENOENT, err) || linuxerr.Equals(linuxerr.ENAMETOOLONG, err) {
// The file doesn't exist on this layer. Proceed to the next one.
return true
}
@@ -352,7 +353,7 @@ func (fs *filesystem) lookupLayerLocked(ctx context.Context, parent *dentry, nam
}, &vfs.StatOptions{
Mask: linux.STATX_TYPE,
})
- if err == syserror.ENOENT || err == syserror.ENAMETOOLONG {
+ if linuxerr.Equals(linuxerr.ENOENT, err) || linuxerr.Equals(linuxerr.ENAMETOOLONG, err) {
// The file doesn't exist on this layer. Proceed to the next
// one.
return true
@@ -811,7 +812,7 @@ afterTrailingSymlink:
// Determine whether or not we need to create a file.
parent.dirMu.Lock()
child, topLookupLayer, err := fs.stepLocked(ctx, rp, parent, false /* mayFollowSymlinks */, &ds)
- if err == syserror.ENOENT && mayCreate {
+ if linuxerr.Equals(linuxerr.ENOENT, err) && mayCreate {
fd, err := fs.createAndOpenLocked(ctx, rp, parent, &opts, &ds, topLookupLayer == lookupLayerUpperWhiteout)
parent.dirMu.Unlock()
return fd, err
@@ -1094,7 +1095,7 @@ func (fs *filesystem) RenameAt(ctx context.Context, rp *vfs.ResolvingPath, oldPa
whiteouts map[string]bool
)
replaced, replacedLayer, err = fs.getChildLocked(ctx, newParent, newName, &ds)
- if err != nil && err != syserror.ENOENT {
+ if err != nil && !linuxerr.Equals(linuxerr.ENOENT, err) {
return err
}
if replaced != nil {
@@ -1177,7 +1178,7 @@ func (fs *filesystem) RenameAt(ctx context.Context, rp *vfs.ResolvingPath, oldPa
Root: replaced.upperVD,
Start: replaced.upperVD,
Path: fspath.Parse(whiteoutName),
- }); err != nil && err != syserror.EEXIST {
+ }); err != nil && !linuxerr.Equals(linuxerr.EEXIST, err) {
panic(fmt.Sprintf("unrecoverable overlayfs inconsistency: failed to recreate deleted whiteout after RenameAt failure: %v", err))
}
}
@@ -1344,7 +1345,7 @@ func (fs *filesystem) RmdirAt(ctx context.Context, rp *vfs.ResolvingPath) error
Root: child.upperVD,
Start: child.upperVD,
Path: fspath.Parse(whiteoutName),
- }); err != nil && err != syserror.EEXIST {
+ }); err != nil && !linuxerr.Equals(linuxerr.EEXIST, err) {
panic(fmt.Sprintf("unrecoverable overlayfs inconsistency: failed to recreate deleted whiteout after RmdirAt failure: %v", err))
}
}