On 15.04.25 09:52, Christian Brauner wrote: > On Mon, Apr 14, 2025 at 06:23:28PM +0200, David Sterba wrote: >> On Mon, Apr 14, 2025 at 03:21:56PM +0100, Matthew Wilcox wrote: >>> On Mon, Apr 14, 2025 at 04:18:27PM +0200, Christian Brauner wrote: >>>> On Mon, Apr 14, 2025 at 09:45:25PM +0800, now4yreal wrote: >>>>> Dear Linux Security Maintainers, >>>>> I would like to report a OOB-read vulnerability in the HFS+ file >>>>> system, which I discovered using our in-house developed kernel fuzzer, >>>>> Symsyz. >>>> >>>> Bug reports from non-official syzbot instances are generally not >>>> accepted. >>>> >>>> hfs and hfsplus are orphaned filesystems since at least 2014. Bug >>>> reports for such filesystems won't receive much attention from the core >>>> maintainers. >>>> >>>> I'm very very close to putting them on the chopping block as they're >>>> slowly turning into pointless burdens. >>> >>> I've tried asking some people who are long term Apple & Linux people, >>> but haven't been able to find anyone interested in becoming maintainer. >>> Let's drop both hfs & hfsplus. Ten years of being unmaintained is >>> long enough. >> >> Agreed. If needed there are FUSE implementations to access .dmg files >> with HFS/HFS+ or other standalone tools. >> >> https://github.com/0x09/hfsfuse >> https://github.com/darlinghq/darling-dmg > > Ok, I'm open to trying. I'm adding a deprecation message when initating > a new hfs{plus} context logged to dmesg and then we can try and remove > it by the end of the year. > > Just a word of caution though, (at least Intel) Macs have their EFI ESP partition on HFS+ instead of FAT. I don't own an Apple Silicon Mac so I can't check if it's there as well.