Re: [syzbot] [jfs?] KASAN: user-memory-access Write in __destroy_inode

From: syzbot

Date: Wed Jan 07 2026 - 09:57:03 EST


syzbot suspects this issue was fixed by commit:

commit dca3aa666fbd71118905d88bb1c353881002b647
Author: Mateusz Guzik <mjguzik@xxxxxxxxx>
Date: Sun Nov 9 12:19:31 2025 +0000

fs: move inode fields used during fast path lookup closer together

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1480019a580000
start commit: 6146a0f1dfae Linux 6.18-rc4
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=e46b8a1c645465a9
dashboard link: https://syzkaller.appspot.com/bug?extid=dcc068159182a4c31ca3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ef4532580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=179c1e14580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: move inode fields used during fast path lookup closer together

For information about bisection process see: https://goo.gl/tpsmEJ#bisection