On Fri, 20 Dec 2024 at 16:01, Kent Overstreet <kent.overstreet@xxxxxxxxx> wrote: > > On Fri, Dec 20, 2024 at 01:53:25PM +0000, Matthew Wilcox wrote: > > On Fri, Dec 20, 2024 at 07:43:44PM +0800, Haichi Wang wrote: > > > Dear Linux maintainers and reviewers: > > > We are reporting a Linux kernel bug titled **general protection fault in bch2_btree_path_traverse_one**, discovered using a modified version of Syzkaller. > > > > No, you aren't. This is a terrible bug report, and you seem to have > > sent several with the same defects. First, read: > > > > https://blog.regehr.org/archives/2037 > > > > Then, specifically to reporting a kernel bug *LOOK AT HOW OTHER PEOPLE > > DO IT*. Your email includes lots of stuff that is of no help and > > doesn't include the most important thing -- the kernel logs from around > > the time of the failure. > > > > > ### Affected Files > > > The affected files, as obtained from the VM log, are listed below. The corresponding maintainers were identified using `./scripts/get_maintainer.pl`: > > > fs/bcachefs/btree_update_interior.c > > > fs/bcachefs/alloc_foreground.c > > > fs/bcachefs/btree_iter.c > > > fs/bcachefs/btree_trans_commit.c > > > fs/namespace.c > > > arch/x86/entry/common.c > > > fs/bcachefs/recovery.c > > > fs/bcachefs/recovery_passes.c > > > fs/bcachefs/super.c > > > fs/bcachefs/fs.c > > > fs/super.c > > > > This is useless. > > > > > ### Kernel Versions > > > - **Kernel Version Tested:** v6.12-rc6:59b723cd2adbac2a34fc8e12c74ae26ae45bf230 > > > - **Latest Kernel Version Reproduced On:** f44d154d6e3d633d4c49a5d6a8aed0e4684ae25e > > > > Useful > > > > > ### Environment Details > > > - **QEMU Version:** QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.29) > > > - **GCC Version:** gcc (Ubuntu 11.4.0-2ubuntu1~20.04) 11.4.0 > > > - **Syzkaller Version:** 2b3ef1577cde5da4fd1f7ece079731e140351177 > > > > Useful > > > > > ### Attached Files > > > We have attached the following files to assist in reproducing and diagnosing the bug: > > > - **Bug Title:** `bugtitle` > > > - **Bug Report:** `report` > > > - **Machine Information:** `machineInfo` > > > - **Kernel Config:** `config` > > > - **Compiled Kernel Image:** `vmlinux` > > > > You didn't attach these things, but please don't. > > > > We want the stacktrace. Preferably passed through > > scripts/decode_stacktrace.sh so we get nice symbols. > > I'm not at all clear on why we need a syzbot copycat project - why not > just work with those guys and contribute whatever improvements you have > there? > > I've been doing some work with the syzbot folks on ktest integration so > I can reproduce syzbot bugs in a single command - I'm not going to redo > that work for a second backend. Can't +1 this more :) Forking projects is not that useful.