Re: Using a password containing a comma fails with 5.11.1 kernel

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Hi Simon,

Looks like the special handling of escaped ',' characters in the
password mount argument was lost when we
switched to the new mount api.

I just sent a patch for this to the list,  can you try that patch?

Thanks for the report.


regards
ronnie sahlberg

On Thu, Feb 25, 2021 at 2:56 PM Simon Taylor <simon@xxxxxxxxxxxxxxxxxx> wrote:
>
> There seems to be a bug mounting a share when the password contains a comma with the 5.11.1 kernel.
>
> I used a credential file named commapw
>
> user=CommaTest
> pass=beforecomma,aftercomma
>
> and the mount command
>
> mount.cifs //workstation/arch /mnt/arch -o vers=3.1.1,cred=/root/commapw
>
> This successfully mounts the share when using the 5.10.16 kernel but fails when using 5.11.1.
>
> The debug log was:
>
> [ 3835.380355] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'source'
> [ 3835.380360] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'ip'
> [ 3835.380362] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'unc'
> [ 3835.380364] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'vers'
> [ 3835.380365] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'user'
> [ 3835.380366] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'pass'
> [ 3835.380367] CIFS: fs/cifs/fs_context.c: CIFS: parsing cifs mount option 'aftercomma'
> [ 3835.380368] cifs: Unknown parameter 'aftercomma'
>
> The kernels are from Arch Linux packages:
>
> Linux 5.10.16-arch1-1 #1 SMP PREEMPT Sat, 13 Feb 2021 20:50:18 +0000 x86_64 GNU/Linux
> Linux 5.11.1-arch1-1 #1 SMP PREEMPT Tue, 23 Feb 2021 14:05:30 +0000 x86_64 GNU/Linux
>
> --
> Regards,
> Simon



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