On Tue, 09 Apr 2024 03:16:20 -0700 syzbot <syzbot+57adb2a4b9d206521bc2@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 8568bb2ccc27 Add linux-next specific files for 20240405 > git tree: linux-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=152f4805180000 > kernel config: https://syzkaller.appspot.com/x/.config?x=48ca5acf8d2eb3bc > dashboard link: https://syzkaller.appspot.com/bug?extid=57adb2a4b9d206521bc2 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1268258d180000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1256598d180000 Help. From a quick look this seems to be claiming that collapse_file() got to VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio); with folio==NULL, but the code look solid regarding this. Given that we have a reproducer, can we expect the bot to perform a bisection for us?
