1 files changed, 68 insertions, 0 deletions
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+device: 0.789
+graphic: 0.734
+performance: 0.709
+files: 0.682
+virtual: 0.590
+mistranslation: 0.581
+ppc: 0.571
+PID: 0.570
+architecture: 0.466
+semantic: 0.462
+register: 0.379
+VMM: 0.373
+x86: 0.331
+permissions: 0.324
+socket: 0.294
+debug: 0.283
+i386: 0.274
+assembly: 0.273
+network: 0.264
+kernel: 0.247
+hypervisor: 0.246
+user-level: 0.241
+TCG: 0.238
+vnc: 0.212
+peripherals: 0.187
+risc-v: 0.182
+arm: 0.167
+boot: 0.111
+KVM: 0.060
+
+vmdk files cause qemu-img to consume lots of time and memory
+
+The two attached files cause 'qemu-img info' to consume lots of time and memory.  Around 10-12 seconds of CPU time, and around 3-4 GB of heap.
+
+$ /usr/bin/time ~/d/qemu/qemu-img info afl10.img 
+qemu-img: Can't get size of device 'image': File too large
+0.40user 11.57system 0:12.03elapsed 99%CPU (0avgtext+0avgdata 4197804maxresident)k
+56inputs+0outputs (0major+1045672minor)pagefaults 0swaps
+
+$ /usr/bin/time ~/d/qemu/qemu-img info afl11.img 
+image: afl11.img
+file format: vmdk
+virtual size: 12802T (14075741666803712 bytes)
+disk size: 4.0K
+cluster_size: 65536
+Format specific information:
+    cid: 4294967295
+    parent cid: 4294967295
+    create type: monolithicSparse
+    extents:
+        [0]:
+            virtual size: 14075741666803712
+            filename: afl11.img
+            cluster size: 65536
+            format: 
+0.29user 9.10system 0:09.43elapsed 99%CPU (0avgtext+0avgdata 3297360maxresident)k
+8inputs+0outputs (0major+820507minor)pagefaults 0swaps
+
+
+
+
+
+Both files were found by using american-fuzzy-lop.
+
+Looking through old bug tickets... can you still reproduce this issue with the latest version of QEMU? Or could we close this ticket nowadays?
+
+[Expired for QEMU because there has been no activity for 60 days.]
+