Re: KASAN: use-after-free Read in link_path_walk
From: syzbot <hidden>
Date: 2019-03-25 04:52:10
Also in:
linux-fsdevel, lkml
syzbot has bisected this bug to:
commit 0f98621bef5d2b7ad41f6595899660af344f5016
Author: Daniel Borkmann [off-list ref]
Date: Sat Oct 29 00:30:46 2016 +0000
bpf, inode: add support for symlinks and fix mtime/ctime
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13c347a3200000
start commit: ef78e5ec ia64: export node_distance function
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=102347a3200000
console output: https://syzkaller.appspot.com/x/log.txt?x=17c347a3200000
kernel config: https://syzkaller.appspot.com/x/.config?x=c94f9f0c0363db4b
dashboard link: https://syzkaller.appspot.com/bug?extid=fb731ca573367b7f6564
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11116225400000
Reported-by: syzbot+fb731ca573367b7f6564@syzkaller.appspotmail.com
Fixes: 0f98621bef5d ("bpf, inode: add support for symlinks and fix
mtime/ctime")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection