Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in smack_inode_permission
From: Dmitry Vyukov <dvyukov@google.com>
Date: 2022-11-14 20:16:12
Also in:
linux-security-module, lkml
On Mon, 14 Nov 2022 at 20:20, Richard Cochran [off-list ref] wrote:
On Sun, Nov 13, 2022 at 04:05:47PM -0800, syzbot wrote:quoted
Hello, syzbot found the following issue on: HEAD commit: 56751c56c2a2 Merge branch 'for-next/fixes' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=11fc8b0e880000 kernel config: https://syzkaller.appspot.com/x/.config?x=606e57fd25c5c6cc dashboard link: https://syzkaller.appspot.com/bug?extid=0f89bd13eaceccc0e126 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10a691fa880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1733c5b9880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/cf4668c75dea/disk-56751c56.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e1ef82e91ef7/vmlinux-56751c56.xz kernel image: https://storage.googleapis.com/syzbot-assets/3dabe076170f/Image-56751c56.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0f89bd13eaceccc0e126@syzkaller.appspotmail.comWhy was this email addressed to me?
Hi Richard, You are listed as maintainer for the file this crash was attributed to: $ ./scripts/get_maintainer.pl -f security/smack/smack_lsm.c ... Richard Cochran [off-list ref] (maintainer:PTP HARDWARE CLOCK SUPPORT) ... Also see: https://lore.kernel.org/all/Y279BqPNYAr+5OxC@sol.localdomain/ (local)