On Mon, Dec 05, 2022 at 12:13:47AM -0800, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 97ee9d1c1696 Merge tag 'block-6.1-2022-12-02' of git://git.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1786b2f5880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 > dashboard link: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 > compiler: Debian clang version > 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU > Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=115e5c47880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170fa3d5880000 > > Downloadable assets: > disk image: > https://storage.googleapis.com/syzbot-assets/6a6a9ff34dfa/disk-97ee9d1c.raw.xz > vmlinux: > https://storage.googleapis.com/syzbot-assets/2a01a4182c2b/vmlinux-97ee9d1c.xz > kernel image: > https://storage.googleapis.com/syzbot-assets/4371158e8c25/bzImage-97ee9d1c.xz > mounted in repro: > https://storage.googleapis.com/syzbot-assets/22dcea976d97/mount_0.gz >
It seems another report due to mixed ztailpacking (inline) and non-inlined pclusters at once. (Although I need to add another check for mixed algorithm formats for a single pcluster as well..) #syz fix: erofs: Fix pcluster memleak when its block address is zero > The issue was bisected to: > > commit dcbe6803fffd387f72b48c2373b5f5ed12a5804b > Author: Gao Xiang <[email protected]> > Date: Thu May 12 11:58:33 2022 +0000 > > erofs: fix buffer copy overflow of ztailpacking feature > It caused KASAN to begin to report, but it's not the root cause. Just ignore it. Thanks, Gao Xiang
