Hi Marcel,
On Tue, Nov 03, 2026 at 06:25:59PM +0100, Marcel Jueling wrote:
Package: sudo
Version: 1.9.16p2-3+deb13u2
Severity: normal
Tags: patch
Dear Debian Sudo Maintainers,
The sudoers parser generation rule in plugins/sudoers/Makefile.in uses
an ordinary multi-target rule:
|$(devdir)/gram.c $(devdir)/gram.h: $(srcdir)/gram.y prologue|
The recipe invokes Bison to generate both parser files. Under parallel
builds, the ordinary multi-target rule may cause the recipe to be
invoked more than once. Duplicate Bison invocations were observed in
build logs. The logs do not establish whether the invocations actually
overlapped, but the shared temporary output files make this a
potential race.
Can you reproduce this on Debian unstable? We are not going to issue a
stable update to fix this.
If this is still present in unstable, I'd encourage you to file an
upstream bug about this, as this fix is probably interesting for all
distibutions shipping sudo.
Greetings
Marc
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