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-rw-r--r--pkg/sentry/syscalls/linux/sys_file.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_file.go b/pkg/sentry/syscalls/linux/sys_file.go
index 3ef7441c2..3410af69c 100644
--- a/pkg/sentry/syscalls/linux/sys_file.go
+++ b/pkg/sentry/syscalls/linux/sys_file.go
@@ -354,6 +354,12 @@ func createAt(t *kernel.Task, dirFD kdefs.FD, addr usermem.Addr, flags uint, mod
break
}
+ // Are we able to resolve further?
+ if remainingTraversals == 0 {
+ found.DecRef()
+ return syscall.ELOOP
+ }
+
// Resolve the symlink to a path via Readlink.
path, err := found.Inode.Readlink(t)
if err != nil {