Re: [programmer11180@programist.ru: Bug#1021846: grub-install is broken since 2.06-3: error: unknown filesystem]

[sudhakar <sudhakar@linux.ibm.com>]

Hi Steve,

It seems invalid Commit id which you reported. It should be 
4bd9877f62166b7e369773ab92fe24a39f6515f8
did you applied below patch and tested? Could you please confirm that.

fs/f2fs: Do not read past the end of nat journal entries

https://git.savannah.gnu.org/cgit/grub.git/patch/?id=4bd9877f62166b7e369773ab92fe24a39f6515f8

thanks,
Sudhakar Kuppusamy

On 2022-11-24 20:39, Daniel Kiper wrote:
> Adding Daniel Axtens...
> 
> On Tue, Nov 15, 2022 at 06:31:45PM +0000, Steve McIntyre wrote:
>> Hi all!
>> 
>> программист некто (in CC) reported this bug a few weeks back in
>> Debian. Since I applied the bundle of filesystem bounds-checking fixes
>> a few months back, he can't run grub-install. He's done the work to
>> determine that the patch that breaks things for him is
>> 
>> 2d014248d540c7e087934a94b6e7a2aa7fc2c704 fs/f2fs: Do not read past the 
>> end of nat journal entries
>> 
>> The full thread of our discussion is at 
>> https://bugs.debian.org/1021846
>> 
>> I don't have any knowledge of f2fs to go any further here. Help 
>> please! :-)
>> 
>> ----- Forwarded message from программист некто 
>> <programmer11180@programist.ru> -----
>> 
>> From: программист некто <programmer11180@programist.ru>
>> To: submit@bugs.debian.org
>> Date: Sat, 15 Oct 2022 23:54:36 +0300
>> Subject: Bug#1021846: grub-install is broken since 2.06-3: error: 
>> unknown filesystem
>> Message-Id: <3168731665867229@wf4nrjvtssjecb53.iva.yp-c.yandex.net>
>> 
>> Package: grub-pc
>> Version: 2.06-3~deb11u1
>> Severity: critical
>> 
>> Hello. Since version 2.06-3, grub-install is broken: it fails with 
>> "error: unknown filesystem".
>> I test command /usr/sbin/grub-install -v /dev/sda
>> in some versions. Results in mail attachments.
>> Versions older than 2.06-3 works without error (2.06-2 and lower).
>> Tested versions: 2.04-20, 2.06-1, 2.06-2, 2.06-3~deb10u1, 
>> 2.06-3~deb11u1, 2.06-4.
>> 
>> Disk partitions:
>> 
>> # fdisk --list-details
>> Disk /dev/sda: 29,82 GiB, 32017047552 bytes, 62533296 sectors
>> Disk model: TS32GSSD370S
>> Units: sectors of 1 * 512 = 512 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>> Disklabel type: dos
>> Disk identifier: 0xc7177f7e
>> 
>> Device Boot Start End Sectors Id Type Start-C/H/S End-C/H/S Attrs
>> /dev/sda1 2048 22763519 22761472 83 Linux 4/4/1 1023/254/2
>> /dev/sda2 * 25866240 62531583 36665344 7 HPFS/ 1023/254/2 1023/254/2 
>> 80
>> 
>> $ disktype /dev/sda1
>> --- /dev/sda1
>> Block device, size 10.85 GiB (11653873664 bytes)
>> F2FS file system (version 1.14)
>> 
>> $ disktype /dev/sda2
>> --- /dev/sda2
>> Block device, size 17.48 GiB (18772656128 bytes)
>> NTFS file system
>> Volume size 17.48 GiB (18772652032 bytes, 36665336 sectors)
>> 
>> ----- End forwarded message -----
>> --
>> Steve McIntyre, Cambridge, UK.                                
>> steve@einval.com
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