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Take write lock when removing xattr 

PiperOrigin-RevId: 298380654
This commit is contained in:
Michael Pratt 2020-03-02 10:05:52 -08:00 committed by gVisor bot
parent 3d9ddeb339
commit 62bd3ca8a3
1 changed files with 2 additions and 2 deletions
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4
pkg/sentry/fs/fsutil/inode.go
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@ -259,8 +259,8 @@ func (i *InodeSimpleExtendedAttributes) ListXattr(context.Context, *fs.Inode, ui
// RemoveXattr implements fs.InodeOperations.RemoveXattr. // RemoveXattr implements fs.InodeOperations.RemoveXattr.
func (i *InodeSimpleExtendedAttributes) RemoveXattr(_ context.Context, _ *fs.Inode, name string) error { func (i *InodeSimpleExtendedAttributes) RemoveXattr(_ context.Context, _ *fs.Inode, name string) error {
i.mu.RLock() i.mu.Lock()
defer i.mu.RUnlock() defer i.mu.Unlock()
if _, ok := i.xattrs[name]; ok { if _, ok := i.xattrs[name]; ok {
delete(i.xattrs, name) delete(i.xattrs, name)
return nil return nil