Re: [syzbot] [ecryptfs?] KASAN: slab-out-of-bounds Read in ecryptfs_verify_auth_tok_from_key

[Tyler Hicks]

On 2026-09-16 08:53:20, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    f6e7b42bf05b Merge tag 'sysctl-7.03-fixes-rc4' of git://gi..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=148603f9580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e909ffe6b35dddb7
> dashboard link: https://syzkaller.appspot.com/bug?extid=b9529ebe6a9394ddf825
> compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=119813f9580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=174acdf9580000

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs.git next