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authorFabricio Voznika <fvoznika@google.com>2018-05-22 16:35:58 -0700
committerShentubot <shentubot@google.com>2018-05-22 16:36:40 -0700
commit51c95c270be3e0c3867c1bc93cc454b32b276721 (patch)
tree56e5db5c4546e7fd9db0ba4753d3ba813eadc34e /pkg/sentry/syscalls
parent257ab8de93312295d475638498c57e4de77a4b02 (diff)
Remove offset check to match with Linux implementation.
PiperOrigin-RevId: 197644246 Change-Id: I63eb0a58889e69fbc4af2af8232f6fa1c399d43f
Diffstat (limited to 'pkg/sentry/syscalls')
-rw-r--r--pkg/sentry/syscalls/linux/sys_file.go4
1 files changed, 2 insertions, 2 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_file.go b/pkg/sentry/syscalls/linux/sys_file.go
index 94a876332..a2db9d4c9 100644
--- a/pkg/sentry/syscalls/linux/sys_file.go
+++ b/pkg/sentry/syscalls/linux/sys_file.go
@@ -870,11 +870,11 @@ const (
// This implementation currently ignores the provided advice.
func Fadvise64(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
fd := kdefs.FD(args[0].Int())
- offset := args[1].Int64()
length := args[2].Int64()
advice := args[3].Int()
- if offset < 0 || length < 0 {
+ // Note: offset is allowed to be negative.
+ if length < 0 {
return 0, nil, syserror.EINVAL
}