Messages in this thread |  | | Date | Wed, 30 Sep 2020 20:05:22 +0200 | From | David Sterba <> | Subject | Re: KASAN: use-after-free Read in btrfs_scan_one_device |
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On Wed, Sep 30, 2020 at 06:57:56PM +0200, David Sterba wrote: > On Sun, Sep 20, 2020 at 07:12:14AM -0700, syzbot wrote: > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: eb5f95f1 Merge tag 's390-5.9-6' of git://git.kernel.org/pu.. > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=10a0a8bb900000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=ffe85b197a57c180 > > dashboard link: https://syzkaller.appspot.com/bug?extid=582e66e5edf36a22c7b0 > > compiler: gcc (GCC) 10.1.0-syz 20200507 > > > > Unfortunately, I don't have any reproducer for this issue yet. > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > Reported-by: syzbot+582e66e5edf36a22c7b0@syzkaller.appspotmail.com > > #syz fix: btrfs: fix overflow when copying corrupt csums for a message
Johannes spotted that this is not the right fix for this report, I don't know how to tell syzbot to revert the 'fix:' command, there isn't 'unfix' (like there's 'undup').
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