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authorChristian Krinitsin <mail@krinitsin.com>2025-06-03 12:04:13 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-03 12:04:13 +0000
commit256709d2eb3fd80d768a99964be5caa61effa2a0 (patch)
tree05b2352fba70923126836a64b6a0de43902e976a /results/classifier/105/device/1462949
parent2ab14fa96a6c5484b5e4ba8337551bb8dcc79cc5 (diff)
downloademulator-bug-study-256709d2eb3fd80d768a99964be5caa61effa2a0.tar.gz
emulator-bug-study-256709d2eb3fd80d768a99964be5caa61effa2a0.zip
add new classifier result
Diffstat (limited to 'results/classifier/105/device/1462949')
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diff --git a/results/classifier/105/device/1462949 b/results/classifier/105/device/1462949
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+device: 0.789
+graphic: 0.734
+mistranslation: 0.581
+instruction: 0.502
+semantic: 0.462
+other: 0.388
+socket: 0.294
+assembly: 0.273
+network: 0.264
+vnc: 0.212
+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.]
+