linux-kernel - Re: general protection fault in load_elf

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Message-ID: <000000000000f3bf550585429fe9@google.com>
Date:   Fri, 29 Mar 2019 14:48:01 -0700
From:   syzbot <syzbot+0d1fcd7268b21baced4a@...kaller.appspotmail.com>
To:     adobriyan@...il.com, akpm@...ux-foundation.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        sfr@...b.auug.org.au, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: general protection fault in load_elf_binary

syzbot has bisected this bug to:

commit 44e63c4a026325d2e085e46502121ea533a6e315
Author: Alexey Dobriyan <adobriyan@...il.com>
Date:   Thu Mar 28 23:02:05 2019 +0000

     fs/binfmt_elf.c: free PT_INTERP filename ASAP

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11d5c23f200000
start commit:   1baf02ec Add linux-next specific files for 20190329
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=13d5c23f200000
console output: https://syzkaller.appspot.com/x/log.txt?x=15d5c23f200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9d8e70f94f3533a7
dashboard link: https://syzkaller.appspot.com/bug?extid=0d1fcd7268b21baced4a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=125ca12f200000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11e1123f200000

Reported-by: syzbot+0d1fcd7268b21baced4a@...kaller.appspotmail.com
Fixes: 44e63c4a0263 ("fs/binfmt_elf.c: free PT_INTERP filename ASAP")

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