linux-kernel - Re: [syzbot] [modules?] KASAN: invalid-access Read in init_module_from

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Date:   Mon, 14 Aug 2023 05:08:27 -0700
From:   syzbot <syzbot+e3705186451a87fd93b8@...kaller.appspotmail.com>
To:     bpf@...r.kernel.org, chris@...isdown.name, linan122@...wei.com,
        linux-kernel@...r.kernel.org, linux-modules@...r.kernel.org,
        llvm@...ts.linux.dev, mcgrof@...nel.org, nathan@...nel.org,
        ndesaulniers@...gle.com, nogikh@...gle.com, song@...nel.org,
        syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org,
        trix@...hat.com
Subject: Re: [syzbot] [modules?] KASAN: invalid-access Read in init_module_from_file

syzbot suspects this issue was fixed by commit:

commit f1962207150c8b602e980616f04b37ea4e64bb9f
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Tue Jul 4 13:37:32 2023 +0000

    module: fix init_module_from_file() error handling

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17c80763a80000
start commit:   995b406c7e97 Merge tag 'csky-for-linus-6.5' of https://git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=3f27fb02fc20d955
dashboard link: https://syzkaller.appspot.com/bug?extid=e3705186451a87fd93b8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12219fbf280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1278c8a4a80000

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

#syz fix: module: fix init_module_from_file() error handling

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