On Tue 04-02-25 01:46:28, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 69b8923f5003 Merge tag 'for-linus-6.14-ofs4' of git://git... > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=1258aeb0580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=57ab43c279fa614d > dashboard link: https://syzkaller.appspot.com/bug?extid=48a99e426f29859818c0 > 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=15825724580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1658aeb0580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/ea84ac864e92/disk-69b8923f.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/6a465997b4e0/vmlinux-69b8923f.xz > kernel image: https://storage.googleapis.com/syzbot-assets/d72b67b2bd15/bzImage-69b8923f.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/7c2919610764/mount_0.gz > > The issue was bisected to: > > commit bae80473f7b0b25772619e7692019b1549d4a82c > Author: Mateusz Guzik <mjguzik@xxxxxxxxx> > Date: Wed Nov 20 11:20:35 2024 +0000 > > ext4: use inode_set_cached_link() > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1248c3df980000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=1148c3df980000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1648c3df980000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+48a99e426f29859818c0@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: bae80473f7b0 ("ext4: use inode_set_cached_link()") Please check attached patch: #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR