On 7/22/21 2:58 PM, Theodore Ts'o wrote: ... > > So I do care about this for ext4, although I don't guarantee immediate > response, as it's something that I usually end up doing on my own > time. I do get cranky that Syzkaller makes it painful to extract out > the fuzzed file system image, and I much prefer those fuzzing systems > which provide the file system image and the C program used to trigger > the failre as two seprate files. Or failing that, if there was some gosh yes. I have added a patch to the syzkaller C reproducer multiple times so that it would write out the fs image and then I could just use that with 'mount' etc. instead of running the (unreadable) C reproducer. > trivial way to get the syzkaller reproducer program to disgorge the > file system image to a specified output file. As a result, if I have > a choice of spending time investigating fuzzing report from a more > file-system friendly fuzzing program and syzkaller, I'll tend choose > to spend my time dealing with other file system fuzzing reports first. -- ~Randy
