diff options
| -rw-r--r-- | pkg/sentry/fs/dirent.go | 13 | ||||
| -rwxr-xr-x | pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo.go | 6 | ||||
| -rwxr-xr-x | pkg/sentry/platform/ring0/defs_impl.go | 6 | ||||
| -rwxr-xr-x | pkg/sentry/time/seqatomic_parameters.go | 6 |
4 files changed, 19 insertions, 12 deletions
diff --git a/pkg/sentry/fs/dirent.go b/pkg/sentry/fs/dirent.go index ca417d2bc..3cba259d9 100644 --- a/pkg/sentry/fs/dirent.go +++ b/pkg/sentry/fs/dirent.go @@ -948,9 +948,6 @@ func direntReaddir(ctx context.Context, d *Dirent, it DirIterator, root *Dirent, if dirCtx.Serializer == nil { panic("Dirent.Readdir: serializer must not be nil") } - if d.frozen { - return d.readdirFrozen(root, offset, dirCtx) - } // Check that this is actually a directory before emitting anything. // Once we have written entries for "." and "..", future errors from @@ -959,6 +956,16 @@ func direntReaddir(ctx context.Context, d *Dirent, it DirIterator, root *Dirent, return 0, syserror.ENOTDIR } + // This is a special case for lseek(fd, 0, SEEK_END). + // See SeekWithDirCursor for more details. + if offset == FileMaxOffset { + return offset, nil + } + + if d.frozen { + return d.readdirFrozen(root, offset, dirCtx) + } + // Collect attrs for "." and "..". dot, dotdot := d.GetDotAttrs(root) diff --git a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo.go b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo.go index 895abb129..25ad17a4e 100755 --- a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo.go +++ b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo.go @@ -1,12 +1,12 @@ package kernel import ( - "unsafe" - "fmt" - "gvisor.dev/gvisor/third_party/gvsync" "reflect" "strings" + "unsafe" + + "gvisor.dev/gvisor/third_party/gvsync" ) // SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race diff --git a/pkg/sentry/platform/ring0/defs_impl.go b/pkg/sentry/platform/ring0/defs_impl.go index d4bfc5a4a..8efc3825f 100755 --- a/pkg/sentry/platform/ring0/defs_impl.go +++ b/pkg/sentry/platform/ring0/defs_impl.go @@ -1,14 +1,14 @@ package ring0 import ( - "syscall" - "fmt" "gvisor.dev/gvisor/pkg/cpuid" "gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables" - "gvisor.dev/gvisor/pkg/sentry/usermem" "io" "reflect" + "syscall" + + "gvisor.dev/gvisor/pkg/sentry/usermem" ) var ( diff --git a/pkg/sentry/time/seqatomic_parameters.go b/pkg/sentry/time/seqatomic_parameters.go index f6560d0bb..89792c56d 100755 --- a/pkg/sentry/time/seqatomic_parameters.go +++ b/pkg/sentry/time/seqatomic_parameters.go @@ -1,12 +1,12 @@ package time import ( - "unsafe" - "fmt" - "gvisor.dev/gvisor/third_party/gvsync" "reflect" "strings" + "unsafe" + + "gvisor.dev/gvisor/third_party/gvsync" ) // SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race |