On Tue, Oct 3, 2023 at 7:56 AM syzbot <syzbot+2208f82282740c1c8915@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot has bisected this issue to: > > commit 16aac5ad1fa94894b798dd522c5c3a6a0628d7f0 > Author: Amir Goldstein <amir73il@xxxxxxxxx> > Date: Sun Apr 23 16:02:04 2023 +0000 > > ovl: support encoding non-decodable file handles > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11972062680000 > start commit: 8a749fd1a872 Linux 6.6-rc4 > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=13972062680000 > console output: https://syzkaller.appspot.com/x/log.txt?x=15972062680000 > kernel config: https://syzkaller.appspot.com/x/.config?x=57da1ac039c4c78a > dashboard link: https://syzkaller.appspot.com/bug?extid=2208f82282740c1c8915 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14877eb2680000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13b701f6680000 > > Reported-by: syzbot+2208f82282740c1c8915@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 16aac5ad1fa9 ("ovl: support encoding non-decodable file handles") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection That was a stupid braino. Reproducer is simple I added test coverage to LTP: https://github.com/amir73il/ltp/commits/ovl_encode_fid and pushed a fix to #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs.git ovl-fixes
