- 01 4月, 2014 7 次提交
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由 Kevin Wolf 提交于
len could become negative and would pass the check then. Nothing bad happened because bdrv_pread() happens to return an error for negative length values, but make variables for sizes unsigned anyway. This patch also changes the behaviour to error out on invalid lengths instead of silently truncating it to 1023. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
This avoids an unbounded allocation. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
This avoid unbounded memory allocation and fixes a potential buffer overflow on 32 bit hosts. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
The end of the refcount table must not exceed INT64_MAX so that integer overflows are avoided. Also check for misaligned refcount table. Such images are invalid and probably the result of data corruption. Error out to avoid further corruption. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
Limit the in-memory reference count table size to 8 MB, it's enough in practice. This fixes an unbounded allocation as well as a buffer overflow in qcow2_refcount_init(). Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
Header, header extension and the backing file name must all be stored in the first cluster. Setting the backing file to a much higher value allowed header extensions to become much bigger than we want them to be (unbounded allocation). Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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由 Kevin Wolf 提交于
This fixes an unbounded allocation for s->unknown_header_fields. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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- 27 9月, 2013 1 次提交
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由 Jeff Cody 提交于
A lot of image filename and paths are used unquoted. Quote these to make sure that directories / filenames with spaces are not problematic. Signed-off-by: NJeff Cody <jcody@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 01 2月, 2013 1 次提交
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由 Kevin Wolf 提交于
It turned out that the change in b7ab0fea was actually a real qcow2 corruption fix. This is a reproducer for the bug. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
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- 05 4月, 2012 1 次提交
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由 Stefan Weil 提交于
qemu-io requires options first, then fixed parameters. GNU getopt also allows options at the end, but POSIX getopt doesn't. Try "export POSIXLY_CORRECT=y" to get the POSIX behaviour with GNU getopt, too. Cc: Kevin Wolf <kwolf@redhat.com> Signed-off-by: NStefan Weil <sw@weilnetz.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 23 2月, 2012 1 次提交
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由 MORITA Kazutaka 提交于
This patch introduces tests for protocols other than file, and initially supports rbd and sheepdog. Signed-off-by: NMORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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- 22 2月, 2012 4 次提交
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由 Stefan Hajnoczi 提交于
The tests use bash language features like 'let', which aren't supported by /bin/sh on systems that use a conservative shell like dash. This patch changes the interpreter to /bin/bash. Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Christoph Hellwig 提交于
Blue Swirl notices that we were using the old FSF post address in the license boilerplates. Replace both the old and new address with links to the gnu.org licenses homepage as suggested by Ben Pfaff. Signed-off-by: NChristoph Hellwig <hch@lst.de>
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由 Christoph Hellwig 提交于
Pretend that a non-implemented check is always successful and thus allow various tests that were qcow2-specific before to be generic. Signed-off-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NKevin Wolf <kwolf@redhat.com>
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由 Christoph Hellwig 提交于
Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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