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Diffstat (limited to 'mailinglist/output_launchpad/1357440')
| -rw-r--r-- | mailinglist/output_launchpad/1357440 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mailinglist/output_launchpad/1357440 b/mailinglist/output_launchpad/1357440 new file mode 100644 index 00000000..a0324f18 --- /dev/null +++ b/mailinglist/output_launchpad/1357440 @@ -0,0 +1,37 @@ +qemu-img: Assert for 'amend' command and the fuzzed image + +'qemu-img amend' failed with the assert on the fuzzed image. + +Sequence: + 1. Unpack the attached archive, make a copy of test.img + 2. Put copy.img and backing_img.vdi in the same directory + 3. Execute + qemu-img amend -o compat=0.10 -f qcow2 copy.img + +Result: qemu-img was killed by SIGIOT with the reason: + +qemu-img: block/qcow2-cluster.c:1598: expand_zero_clusters_in_l1: Assertion `(cluster_index >= 0) && (cluster_index < *nb_clusters)' failed. + +qemu.git HEAD 2d591ce2aeebf + + + +Hi, + +This issue should be fixed by my "[PATCH v3 0/7] block/qcow2: Improve zero cluster expansion" series. + +However, there are similar issues in qemu, so we'll probably need a function to quickly mark an image corrupt instead of throwing these assertions. + +Max + +Hi, + +This issue has been fixed in master (af3ff19b48f0bbf3a8bd35c47460358e8c6ae5e5, 2.2.0-rc2): + +$ ./qemu-img amend -o compat=0.10 -f qcow2 copy.img +qemu-img: Error while amending options: File too large + +Thanks for your report, + +Max + |