Package: clamfs
Version: 1.0.0-1
Severity: normal
In a clamfs protect filesystem I have a file bigger then 2GB:
-rw-r-xr-- 1 www-data www-data 2663258112 2009-05-20 08:12 cdimage.iso
When I'm trying to read-access the file, I'm not allowed too:
u...@srv-vie-ftp01:...$ head cdimage.iso
head: cannot open `cdimage.iso' for reading: Operation not permitted
clamd is configured to the default MaxFileSize of 25MB. According to the
manpage "Files larger than this limit won’t be scanned.". Anyway, in
clamav.log I can find entries (one liners) like:
Wed May 20 08:54:07 2009 -> WARNING: lstat() failed on: .../cdimage.iso
When I straced clamd at this time I can see:
[pid 18294]
lstat64("/var/lib/nephthys/transfer.unprotected/63e11bdd141239dcdc11dbe419cbbf4fc9e8dfab/cdimage.iso",
{st_mode=S_IFREG|0654, st_size=2663258112, ...}) = 0
[pid 18294] send(9, "", 0, 0) = 0
[pid 18294] send(9, "/var/lib/nephthys/transfer.unpro"..., 154, 0) = 154
[pid 18294] time([1242802662]) = 1242802662
[pid 18294] write(3, "Wed May 20 08:57:42 2009 -> WARN"..., 148) = 148
[pid 18294] write(2, "WARNING: lstat() failed on: /var"..., 120) = 120
[pid 18294] shutdown(9, 2 /* send and receive */) = 0
stracing clamfs shows the following:
[pid 19089] send(4, "SCAN
/var/lib/nephthys/transfer.unprotected/63e11bdd141239dcdc11dbe419cbbf4fc9e8dfab/cdimage.iso\n",
97, 0) = 97
[pid 19089] recv(4,
"/var/lib/nephthys/transfer.unprotected/63e11bdd141239dcdc11dbe419cbbf4fc9e8dfab/cdimage.iso:
lstat() failed: Value too large for"..., 512, 0) = 154
As you can see, clamfs sends the SCAN request to clamd. Clamd responds that the
file is too large and it won't scan it. And now it seems that clamfs interprets
this wrong and refuses access to this file.
Regards,
Andreas
-- System Information:
Debian Release: 4.0
APT prefers oldstable
APT policy: (500, 'oldstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.24-etchnhalf.1-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages clamfs depends on:
ii libc6 2.3.6.ds1-13etch9+b1 GNU C Library: Shared libraries
ii libcommoncpp2-1.5-0 1.5.1-4 A GNU package for creating portabl
ii libfuse2 2.5.3-4.4 Filesystem in USErspace library
ii libgcc1 1:4.1.1-21 GCC support library
ii libgcrypt11 1.2.3-2 LGPL Crypto library - runtime libr
ii libgnutls13 1.4.4-3+etch4 the GNU TLS library - runtime libr
ii libpocofoundation5 1.3.2+dfsg1-4~mm.1 The C++ Portable Components Founda
ii libpoconet5 1.3.2+dfsg1-4~mm.1 The C++ Portable Components Networ
ii librlog1c2a 1.3.7-1 flexible message logging library
ii libstdc++6 4.1.1-21 The GNU Standard C++ Library v3
ii zlib1g 1:1.2.3-13 compression library - runtime
Versions of packages clamfs recommends:
pn clamav-daemon <none> (no description available)
-- no debconf information
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