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Fix potential deadlock with libc setgid/setuid #34

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Fix potential deadlock with libc setgid/setuid #34

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4 changes: 2 additions & 2 deletions src/child.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ pub unsafe fn child_after_clone(child: &ChildInfo) -> ! {
});

child.cfg.gid.as_ref().map(|&gid| {
if libc::setgid(gid) != 0 {
if libc::syscall(libc::SYS_setgid, gid as c_ulong) != 0 {
fail(Err::SetUser, epipe);
}
});
Expand All @@ -138,7 +138,7 @@ pub unsafe fn child_after_clone(child: &ChildInfo) -> ! {
});

child.cfg.uid.as_ref().map(|&uid| {
if libc::setuid(uid) != 0 {
if libc::syscall(libc::SYS_setuid, uid as c_ulong) != 0 {
fail(Err::SetUser, epipe);
}
});
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