[Qemu-devel] [Bug 1357445] [NEW] qemu-img: 'amend -o compat=0.10' command failed with segfault on the fuzzed image

[Maria Kustova]

Public bug reported:

qemu-img amend -o compat=0.10' failed with a segmentation fault on the
fuzzed image.

Sequence:
 1. Unpack the attached archive, make a copy of test.img
 2. Put copy.img and backing_img.qed in the same directory
 3. Execute
   qemu-img amend -o compat=0.10 -f qcow2 copy.img

Result: qemu-img was killed by SIGSEGV.

Traces can be found in the attached archive.

qemu.git HEAD 2d591ce2aeebf

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "images.n.traces.tar.gz"
   
https://bugs.launchpad.net/bugs/1357445/+attachment/4178587/+files/images.n.traces.tar.gz

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https://bugs.launchpad.net/bugs/1357445

Title:
  qemu-img: 'amend -o compat=0.10' command failed with segfault on the
  fuzzed image

Status in QEMU:
  New

Bug description:
  qemu-img amend -o compat=0.10' failed with a segmentation fault on the
  fuzzed image.

  Sequence:
   1. Unpack the attached archive, make a copy of test.img
   2. Put copy.img and backing_img.qed in the same directory
   3. Execute
     qemu-img amend -o compat=0.10 -f qcow2 copy.img

  Result: qemu-img was killed by SIGSEGV.

  Traces can be found in the attached archive.

  qemu.git HEAD 2d591ce2aeebf

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