diff options
| author | Zach Koopmans <zkoopmans@google.com> | 2019-01-10 09:43:43 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-01-10 09:44:45 -0800 |
| commit | 7f8de3bf92decbd745a4bc4e8aebf1ba1159ed4b (patch) | |
| tree | c667c9bd31a29cec2ddce86ef0b6128fee2defc2 /pkg/sentry | |
| parent | 9270d940eb1a6e31587c34f4644189f3b2c002e1 (diff) | |
Fixing select call to not enforce RLIMIT_NOFILE.
Removing check to RLIMIT_NOFILE in select call.
Adding unit test to select suite to document behavior.
Moving setrlimit class from mlock to a util file for reuse.
Fixing flaky test based on comments from Jamie.
PiperOrigin-RevId: 228726131
Change-Id: Ie9dbe970bbf835ba2cca6e17eec7c2ee6fadf459
Diffstat (limited to 'pkg/sentry')
| -rw-r--r-- | pkg/sentry/syscalls/linux/sys_poll.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_poll.go b/pkg/sentry/syscalls/linux/sys_poll.go index bf0958435..0cf6aad7f 100644 --- a/pkg/sentry/syscalls/linux/sys_poll.go +++ b/pkg/sentry/syscalls/linux/sys_poll.go @@ -82,7 +82,7 @@ func doPoll(t *kernel.Task, pfdAddr usermem.Addr, nfds uint, timeout time.Durati } func doSelect(t *kernel.Task, nfds int, readFDs, writeFDs, exceptFDs usermem.Addr, timeout time.Duration) (uintptr, error) { - if nfds < 0 || uint64(nfds) > t.ThreadGroup().Limits().GetCapped(limits.NumberOfFiles, fileCap) { + if nfds < 0 || nfds > fileCap { return 0, syserror.EINVAL } @@ -90,6 +90,7 @@ func doSelect(t *kernel.Task, nfds int, readFDs, writeFDs, exceptFDs usermem.Add // // N.B. This only works on little-endian architectures. byteCount := (nfds + 7) / 8 + bitsInLastPartialByte := uint(nfds % 8) r := make([]byte, byteCount) w := make([]byte, byteCount) |