On Fri, May 03, 2024 at 06:31:30PM +0200, Aleksandr Nogikh wrote: > On Fri, May 3, 2024 at 5:36 PM Kent Overstreet > <[email protected]> wrote: > > > > On Thu, May 02, 2024 at 10:28:42PM +0200, Aleksandr Nogikh wrote: > > > > > > I think the problem was that I was trying to save the generated files > > > to a 9p filesystem (so that I could easily take them out of my VM). > > > But now I've set up a proper userspace image with the latest 6.9 RC > > > kernel and it worked fine. > > > > > > > > > > > > Also what would be a good sets of options to generate seed images? > > > > > We try to "sample" space of different images to create seeds. To give > > > > > you an idea here is what we do for other file systems: > > > > > https://github.com/google/syzkaller/blob/af24b0505c748561efb50f1d03c824d6642f6c0b/tools/syz-imagegen/imagegen.go#L60-L516 > > > > > > > > --encrypted --no_passphrase > > > > --compression=lz4 > > > > --no-checksum > > > > > > The mkfs.bcachefs tool that I installed does not know the > > > --no-checksum flag, so I used --data_checksum=none > > > --metadata_checksum=none instead. Does it mean the same thing? > > > > That's the correct flags, I did a brainfart on that one :) > > Cool :) > I've deployed the changes to syzbot today and it has already reported > 8 findings: > https://syzkaller.appspot.com/upstream/s/bcachefs
Nice, already got fixes pushed for most of them :)
