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Old 06-04-2010, 09:23 AM
Gerrit Keller
 
Default Bug#584520: initramfs-tools: copy_exec hook function may exit with a non-zero return value in non-verbose mode

Package: initramfs-tools
Version: 0.95.1
Severity: normal
Tags: patch

copy_exec hook function may exit with a non-zero return value in non-verbose
mode

The copy_exec hook function could exit with a return value of 1 in non-verbose
mode. This happens due to the last command being
[ "${verbose}" = "y" ] && echo "Adding library ${x}"
whose return value will be used as the return value for the function. This
makes hook scripts with a 'set -e' statement abort after the call (see bug
#578065).
I've attached a trivial patch which fixes the problem.



-- Package-specific info:
-- initramfs sizes
-rw-r--r-- 1 root root 4.9M Jun 4 11:10 /boot/initrd.img-2.6.34
-- /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-2.6.34 root=UUID=1c5015ac-38a3-4dc1-a3fa-415f489efc3d
ro quiet resume=/dev/sdb2 splash

-- resume
RESUME=LABEL=swap
-- /proc/filesystems
ext3
fuseblk

-- lsmod
Module Size Used by
af_packet 14540 2
sco 5944 2
bnep 7628 2
rfcomm 25836 8
l2cap 27992 16 bnep,rfcomm
fuse 46096 3
vboxdrv 135400 0
asb100 8084 0
hwmon_vid 1836 1 asb100
hwmon 896 1 asb100
loop 10168 0
snd_cmipci 20512 2
snd_pcm 45716 1 snd_cmipci
snd_page_alloc 4820 1 snd_pcm
snd_opl3_lib 5964 1 snd_cmipci
snd_hwdep 4016 1 snd_opl3_lib
snd_mpu401_uart 3692 1 snd_cmipci
snd_seq_midi 3200 0
snd_seq_midi_event 3628 1 snd_seq_midi
btusb 8288 2
snd_rawmidi 13568 2 snd_mpu401_uart,snd_seq_midi
bluetooth 38404 9 sco,bnep,rfcomm,l2cap,btusb
snd_seq 33136 2 snd_seq_midi,snd_seq_midi_event
snd_timer 13936 3 snd_pcm,snd_opl3_lib,snd_seq
snd_seq_device 3384 4 snd_opl3_lib,snd_seq_midi,snd_rawmidi,snd_seq
sg 18652 0
sr_mod 9796 0
snd 31204 13
snd_cmipci,snd_pcm,snd_opl3_lib,snd_hwdep,snd_mpu4 01_uart,snd_rawmidi,snd_seq,snd_timer,snd_seq_devi ce
cdrom 28032 1 sr_mod
soundcore 4000 1 snd
evdev 6144 7
i2c_viapro 4832 0
uhci_hcd 17848 0
8139too 15568 0
via_agp 4364 1
mii 2924 1 8139too
nouveau 454640 2
ttm 33948 1 nouveau
drm_kms_helper 21292 1 nouveau
drm 114464 4 nouveau,ttm,drm_kms_helper
agpgart 19036 3 via_agp,ttm,drm
firmware_class 4692 1 nouveau
i2c_algo_bit 3728 1 nouveau
i2c_core 12064 6
asb100,i2c_viapro,nouveau,drm_kms_helper,drm,i2c_a lgo_bit
button 2880 1 nouveau
unix 18508 646

-- /etc/kernel-img.conf
# Kernel image management overrides
# See kernel-img.conf(5) for details
do_symlinks = no
relative_links = yes
do_bootloader = no
do_bootfloppy = no
do_initrd = yes
link_in_boot = no
postinst_hook = /usr/sbin/update-grub
postrm_hook = /usr/sbin/update-grub

-- /etc/initramfs-tools/initramfs.conf
MODULES=dep
BUSYBOX=y
KEYMAP=n
COMPRESS=gzip
BOOT=local
DEVICE=
NFSROOT=auto

-- /sys/block
loop0
loop1
loop2
loop3
loop4
loop5
loop6
loop7
sda
sdb
sdc
sr0
sr1



-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.34 (PREEMPT)
Locale: LANG=de_DE.utf8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages initramfs-tools depends on:
ii cpio 2.11-4 GNU cpio -- a program to manage ar
ii findutils 4.4.2-1 utilities for finding files--find,
ii klibc-utils 1.5.18-1 small utilities built with klibc f
ii module-init-tools 3.12~pre2-3 tools for managing Linux kernel mo
ii udev 154-1 /dev/ and hotplug management daemo

Versions of packages initramfs-tools recommends:
pn busybox | busybox-initramfs <none> (no description available)

initramfs-tools suggests no packages.

-- Configuration Files:
/etc/initramfs-tools/initramfs.conf changed [not included]
--- hook-functions.orig 2010-05-30 20:46:00.000000000 +0200
+++ hook-functions 2010-06-04 11:02:58.000000000 +0200
@@ -148,7 +148,7 @@
mkdir -p "${DESTDIR}/${dirname}"
if [ ! -e "${DESTDIR}/${dirname}/${libname}" ]; then
ln -s "${x}" "${DESTDIR}/${dirname}"
- [ "${verbose}" = "y" ] && echo "Adding library ${x}"
+ [ "${verbose}" = "y" ] && echo "Adding library ${x}" || true
fi
done
}
 
Old 06-07-2010, 10:32 PM
Michael Prokop
 
Default Bug#584520: initramfs-tools: copy_exec hook function may exit with a non-zero return value in non-verbose mode

tags 584520 + fixed pending
thanks

* Gerrit Keller <gerrit.keller@gmail.com> [Fre Jun 04, 2010 at 11:23:21 +0200]:

> copy_exec hook function may exit with a non-zero return value in non-verbose
> mode

> The copy_exec hook function could exit with a return value of 1 in non-verbose
> mode. This happens due to the last command being
> [ "${verbose}" = "y" ] && echo "Adding library ${x}"
> whose return value will be used as the return value for the function. This
> makes hook scripts with a 'set -e' statement abort after the call (see bug
> #578065).
> I've attached a trivial patch which fixes the problem.

Good catch, thanks. Applied and will be uploaded soon.

regards,
-mika-
 

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