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Support 32 bit UID on i386 

The original SETUID takes a 16 bit UID.  Linux 2.4 introduced  a new
syscall, SETUID32, with support for 32 bit UIDs.  The setgid wrapper
already uses SETGID32.

Signed-off-by: Carl Henrik Lunde <chlunde@ifi.uio.no>
This commit is contained in:
Carl Henrik Lunde 2016-08-16 22:45:26 +02:00
parent 12c3d17017
commit 0a45903563
1 changed files with 1 additions and 1 deletions
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2
libcontainer/system/syscall_linux_386.go
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@ -8,7 +8,7 @@ import (
// Setuid sets the uid of the calling thread to the specified uid.
func Setuid(uid int) (err error) {
_, _, e1 := syscall.RawSyscall(syscall.SYS_SETUID, uintptr(uid), 0, 0)
_, _, e1 := syscall.RawSyscall(syscall.SYS_SETUID32, uintptr(uid), 0, 0)
if e1 != 0 {
err = e1
}