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bug#36007: double close() of of=file if receiving SIGINT during fdatasyn
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From: |
Hans Henrik Bergan |
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Subject: |
bug#36007: double close() of of=file if receiving SIGINT during fdatasync() |
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Date: |
Thu, 30 May 2019 23:50:30 +0200 |
the issue does not reproduce on a current git master build of dd (
commit 00d72e6122d37bbc32ef0e057c1e847fd8129133 )
, good job :)
(dd is an old build, ./dd is a git master build)
address@hidden:/temp/coreutils/src# dd if=/dev/zero of=/dev/sda4 bs=10M
count=100
iflag=fullblock conv=fdatasync
^C100+0 records in
100+0 records out
1048576000 bytes (1.0 GB, 1000 MiB) copied, 17.3542 s, 60.4 MB/s
dd: closing input file '/dev/zero': Bad file descriptor
address@hidden:/temp/coreutils/src#
address@hidden:/temp/coreutils/src#
address@hidden:/temp/coreutils/src# ./dd if=/dev/zero of=/dev/sda4 bs=10M
count=100
iflag=fullblock conv=fdatasync
^C100+0 records in
100+0 records out
1048576000 bytes (1.0 GB, 1000 MiB) copied, 19.0614 s, 55.0 MB/s
address@hidden:/temp/coreutils/src#
On Thu, 30 May 2019 at 22:56, Paul Eggert <address@hidden> wrote:
> Thanks for reporting the bug. I installed the attached patch into the
> development version on Savannah, to fix the bug you reported along with
> a closely related bug that I found when looking into your problem.
> Please give this patch a try at your convenience.
>