Messages in this thread Patch in this message | | | From | Hillf Danton <> | Subject | Re: [syzbot] [ntfs3?] KASAN: slab-use-after-free Read in chrdev_open | Date | Sat, 27 Apr 2024 14:29:43 +0800 |
| |
On Fri, 26 Apr 2024 05:00:21 -0700 > syzbot found the following issue on: > > HEAD commit: e33c4963bf53 Merge tag 'nfsd-6.9-5' of git://git.kernel.or.. > git tree: upstream > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12499380980000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e33c4963bf53
--- x/fs/open.c +++ y/fs/open.c @@ -952,7 +952,9 @@ static int do_dentry_open(struct file *f if (!open) open = f->f_op->open; if (open) { + ihold(inode); error = open(inode, f); + iput(inode); if (error) goto cleanup_all; } --
| |