Bug: run-parts called with multiple directories in mainline kernel 7.0.0 package scripts

[Timo Aaltonen]

Oliver Pauletto kirjoitti 13.4.2026 klo 16.53:
> Hello,
> 
> 
> I would like to report a bug in the mainline kernel packages for version 
> 7.0.0 (and also present in 6.19.11).
> 
> 
> The preinst, postinst, postrm, and header_postinst scripts in the 
> following packages call run-parts with two directory arguments 
> simultaneously:
> 
> 
> linux-image-unsigned-7.0.0-070000- 
> generic_7.0.0-070000.202604122140_amd64.deb
> 
> linux-headers-7.0.0-070000-generic_7.0.0-070000.202604122140_amd64.deb
> 
> 
> Example from preinst:
> 
> 
> run-parts --report --exit-on-error --arg=$version \
> 
> --arg=$image_path /etc/kernel/preinst.d /usr/share/kernel/preinst.d
> 
> 
> However, the Debian run-parts implementation (from debianutils) only 
> accepts a single DIRECTORY argument. Passing two directories causes the 
> error:
> 
> 
> run-parts: missing operand
> 
> 
> This prevents the kernel image from being installed entirely, as the 
> preinst script fails before unpacking begins.
> 
> 
> The fix is straightforward: split each run-parts call with two 
> directories into two separate sequential calls, one per directory, each 
> guarded by a directory existence check.
> 
> 
> This bug affects installation via both the 'mainline' GUI tool and 
> direct dpkg installation. The workaround is to manually patch the 
> maintainer scripts and rebuild the .deb.
> 
> 
> System: Linux Mint (Ubuntu-based), amd64
> 
> Affected versions: at least 6.19.11 and 7.0.0
> 
> 
> Best regards,
> 
> Oliver

Yeah, will be fixed on the first update after resolute is out. In the 
meantime mainline builds are only installable on questing and up.



-- 
Timo Aaltonen
Kernel Team
Canonical Ltd.