Re: [f2fs-dev] [PATCH RFC 3/7] fs/btrfs: support `DISABLE_FS_CSUM_VERIFICATION` config option

2022-10-17 Thread Dmitry Vyukov via Linux-f2fs-devel
On Fri, 14 Oct 2022 at 12:24, 'Qu Wenruo' via kasan-dev wrote: > > On 2022/10/14 16:48, Hrutvik Kanabar wrote: > > From: Hrutvik Kanabar > > > > When `DISABLE_FS_CSUM_VERIFICATION` is enabled, bypass checksum > > verification. > > > > Signed-off-by: Hrutvik Kanabar > > I always want more fuzz fo

Re: [f2fs-dev] [PATCH RFC 5/7] fs/xfs: support `DISABLE_FS_CSUM_VERIFICATION` config option

2022-10-17 Thread Dmitry Vyukov via Linux-f2fs-devel
On Fri, 14 Oct 2022 at 17:44, Darrick J. Wong wrote: > > On Fri, Oct 14, 2022 at 08:48:35AM +, Hrutvik Kanabar wrote: > > From: Hrutvik Kanabar > > > > When `DISABLE_FS_CSUM_VERIFICATION` is enabled, return truthy value for > > `xfs_verify_cksum`, which is the key function implementing checks

Re: [f2fs-dev] [PATCH RFC 0/7] fs: Debug config option to disable filesystem checksum verification for fuzzing

2022-10-17 Thread Dmitry Vyukov via Linux-f2fs-devel
On Fri, 14 Oct 2022 at 11:15, David Sterba wrote: > > On Fri, Oct 14, 2022 at 08:48:30AM +, Hrutvik Kanabar wrote: > > From: Hrutvik Kanabar > > > > Fuzzing is a proven technique to discover exploitable bugs in the Linux > > kernel. But fuzzing filesystems is tricky: highly structured disk im

Re: [f2fs-dev] [syzbot] KFENCE: use-after-free in kmem_cache_destroy

2021-05-03 Thread Dmitry Vyukov via Linux-f2fs-devel
On Mon, May 3, 2021 at 10:24 AM syzbot wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit:d2b6f8a1 Merge tag 'xfs-5.13-merge-3' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=15f19ca5d0 > kernel config:

Re: [f2fs-dev] WARNING: ODEBUG bug in f2fs_fill_super

2019-02-21 Thread Dmitry Vyukov via Linux-f2fs-devel
On Thu, Feb 21, 2019 at 3:46 AM Sheng Yong wrote: > > Hi, Dmitry, > > On 2019/2/20 23:12, Dmitry Vyukov wrote: > > On Mon, Aug 27, 2018 at 11:04 PM syzbot > > wrote: > >> > >> Hello, > >> > >> syzbot found the following crash on: > >> > >> HEAD commit:e27bc174c9c6 Add linux-next specific file

Re: [f2fs-dev] WARNING: ODEBUG bug in f2fs_fill_super

2019-02-20 Thread Dmitry Vyukov via Linux-f2fs-devel
On Mon, Aug 27, 2018 at 11:04 PM syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:e27bc174c9c6 Add linux-next specific files for 20180824 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=11c0034a40 > kernel config: h

Re: [f2fs-dev] kernel BUG at fs/f2fs/node.c:LINE!

2018-04-24 Thread Dmitry Vyukov via Linux-f2fs-devel
On Tue, Apr 24, 2018 at 8:42 AM, syzbot wrote: > Hello, > > syzbot tried to test the proposed patch but build/boot failed: > > failed to create VM pool: failed to create GCE image: failed to get create > image operation operation-1524552040215-56a926ecc71d9-3edfeb8b-8abca81c: > googleapi: Error 40