Messages in this thread | | | Date | Mon, 17 Jan 2022 22:02:15 +0300 | Subject | Re: [syzbot] kernel BUG in ntfs_read_inode_mount | From | Pavel Skripkin <> |
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On 1/17/22 13:09, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: d0a231f01e5b Merge tag 'pci-v5.17-changes' of git://git.ke.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=11f83837b00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=986ed422f1741853 > dashboard link: https://syzkaller.appspot.com/bug?extid=3c765c5248797356edaa > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > Unfortunately, I don't have any reproducer for this issue yet. >
Sad :(
> IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+3c765c5248797356edaa@syzkaller.appspotmail.com >
__ntfs_malloc() calls BUG_ON() in case of requested size is equal to zero. Seems like syzbot has once again crafted malicious fs image that has attr_list_size == 0
Just for thoughts
With regards, Pavel Skripkin
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