[SCM] Hurd branch, master, updated. v0.9.git20210811-14-g21d99ce

[Samuel Thibault]

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commit 21d99ce0cfefc82039f9bd45bd9d12eb47966992
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Mon Aug 16 22:22:16 2021 +0200

    libstore: Detect device-based access overflow
    
    recnum_t is 32bit while offsets are 64bit. We need to detect the
    otherwise-silent truncation of the address. This happens here at 2TiB
    for 512-byte sectors.
    
    * libstore/device.c (dev_read, dev_write): Return EOVERFLOW on addresses
      that are larger than what the device interface can handle.

-----------------------------------------------------------------------

Summary of changes:
 libstore/device.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)


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