Re: [syzbot] [overlayfs?] KASAN: slab-out-of-bounds Read in ovl_inode_upper

From: syzbot
Date: Tue Nov 26 2024 - 09:43:15 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+8d1206605b05ca9a0e6a@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+8d1206605b05ca9a0e6a@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: e638d5c6 fs/backing_file: fix wrong argument in callback
git tree: https://github.com/amir73il/linux ovl-fixes
console output: https://syzkaller.appspot.com/x/log.txt?x=103e9530580000
kernel config: https://syzkaller.appspot.com/x/.config?x=afdea6b282c7e739
dashboard link: https://syzkaller.appspot.com/bug?extid=8d1206605b05ca9a0e6a
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.