5dab2faddc
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: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
24 lines
938 B
Plaintext
24 lines
938 B
Plaintext
QA output created by 080
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== Huge header size ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qemu-io: can't open device TEST_DIR/t.qcow2: qcow2 header exceeds cluster size
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no file open, try 'help open'
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qemu-io: can't open device TEST_DIR/t.qcow2: qcow2 header exceeds cluster size
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no file open, try 'help open'
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== Huge unknown header extension ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qemu-io: can't open device TEST_DIR/t.qcow2: Invalid backing file offset
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no file open, try 'help open'
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qemu-io: can't open device TEST_DIR/t.qcow2: Header extension too large
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no file open, try 'help open'
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== Huge refcount table size ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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qemu-io: can't open device TEST_DIR/t.qcow2: Reference count table too large
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no file open, try 'help open'
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qemu-io: can't open device TEST_DIR/t.qcow2: Reference count table too large
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no file open, try 'help open'
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*** done
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