Package: dcfldd
Version: 1.3.4.1-2.1
Severity: normal
Tags: patch
Dear Maintainer,
When trying to use sizeprobe=of, dcfldd failed with
an error about the BLKGETSIZE ioctl failing.
Using strace showed dcfldd was trying to ioctl(1, BLKGETSIZE, ...)
instead of the block device specified using of, e.g., of=/dev/md3.
The problem is that it performs ioctl(STDOUT_FILENO, BLKGETSIZE, ...)
unconditionally, instead of using the file descriptor of the output file.
The following patch makes it use the first file in the output list instead:
--- dcfldd-1.3.4.1.orig/dcfldd.c
+++ dcfldd-1.3.4.1/dcfldd.c
@@ -759,7 +759,7 @@ int main(int argc, char **argv)
else
sizeprobe(STDIN_FILENO);
else if (probe == PROBE_OUTPUT)
- sizeprobe(STDOUT_FILENO);
+ sizeprobe(outputlist->data.fd);
start_time = time(NULL);
if (do_verify)
-- System Information:
Debian Release: 7.6
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores)
Locale: LANG=el_GR.UTF8, LC_CTYPE=el_GR.UTF8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages dcfldd depends on:
ii libc6 2.13-38+deb7u3
dcfldd recommends no packages.
dcfldd suggests no packages.
-- no debconf information
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