Your message dated Mon, 09 Jun 2025 17:17:58 +0200 with message-id <[email protected]> and subject line Re: unmkinitramfs and lsinitramfs don't dereference symlinks consistently has caused the Debian Bug report #1015954, regarding unmkinitramfs and lsinitramfs don't dereference symlinks consistently to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 1015954: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015954 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: initramfs-tools-core Version: 0.142 Severity: normal Tags: patch File: /usr/bin/unmkinitramfs Dear Maintainer, With the default COMPRESS=zstd lsmkinitramfs fails on unsplit /initrd.img: $ lsmkinitramfs /initrd.img cpio: premature end of archive $ unmkinitramfs /initrd.img /tmp/initramfs cpio: premature end of archive This is because zstd(1) refuses to operate on symlinks without `-f`: $ zstd -t /initrd.img Warning : /initrd.img is a symbolic link, ignoring (This is with an unsplit initramfs, so xcpio() processes the input file directly.) That behavior seems to be specific to zstd(1), at least unmkinitramfs(8) does seem work with COMPRESS=gzip, bzip2, lz4, lzma, lzop, xz. All these utilities do process standard input though, so a simple fix (attached) is to merely redirect it. Thanks for maintaining initramfs-tools! -- Guilhem. -- System Information: Debian Release: bookworm/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 5.18.0-2-amd64 (SMP w/8 CPU threads; PREEMPT) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages initramfs-tools-core depends on: ii coreutils 8.32-4.1 ii cpio 2.13+dfsg-7 ii e2fsprogs 1.46.5-2 ii klibc-utils 2.0.10-4 ii kmod 30+20220630-2 ii logsave 1.46.5-2 ii udev 251.3-1 Versions of packages initramfs-tools-core recommends: ii busybox 1:1.35.0-1 ii zstd 1.5.2+dfsg-1 Versions of packages initramfs-tools-core suggests: ii bash-completion 1:2.11-6 -- Configuration Files: /etc/initramfs-tools/initramfs.conf changed [not included] -- no debconf information--- a/unmkinitramfs +++ b/unmkinitramfs @@ -29,18 +29,18 @@ dir="$2" shift 2 - if gzip -t "$archive" >/dev/null 2>&1 ; then - gzip -c -d "$archive" - elif zstd -q -c -t "$archive" >/dev/null 2>&1 ; then - zstd -q -c -d "$archive" - elif xzcat -t "$archive" >/dev/null 2>&1 ; then - xzcat "$archive" + if gzip -t < "$archive" >/dev/null 2>&1 ; then + gzip -c -d < "$archive" + elif zstd -q -c -t < "$archive" >/dev/null 2>&1 ; then + zstd -q -c -d < "$archive" + elif xzcat -t < "$archive" >/dev/null 2>&1 ; then + xzcat < "$archive" elif lz4cat -t < "$archive" >/dev/null 2>&1 ; then - lz4cat "$archive" - elif bzip2 -t "$archive" >/dev/null 2>&1 ; then - bzip2 -c -d "$archive" - elif lzop -t "$archive" >/dev/null 2>&1 ; then - lzop -c -d "$archive" + lz4cat < "$archive" + elif bzip2 -t < "$archive" >/dev/null 2>&1 ; then + bzip2 -c -d < "$archive" + elif lzop -t < "$archive" >/dev/null 2>&1 ; then + lzop -c -d < "$archive" # Ignoring other data, which may be garbage at the end of the file fi | ( if [ -n "$dir" ]; then
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--- Begin Message ---Version: 0.148 This was incidentally fixed by the rewrite of unmkinitramfs, because it now passes a compressed image to a decompressor as stdin rather than as a filename. Ben. -- Ben Hutchings It is a miracle that curiosity survives formal education. - Albert Einstein
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