Christoph Hellwig e13d6f5008 BACKPORT: sysctl: pass kernel pointers to ->proc_handler ...

Instead of having all the sysctl handlers deal with user pointers, which
is rather hairy in terms of the BPF interaction, copy the input to and
from  userspace in common code.  This also means that the strings are
always NUL-terminated by the common code, making the API a little bit
safer.

As most handler just pass through the data to one of the common handlers
a lot of the changes are mechnical.

Change-Id: Ic71fd778e4cea58adc51d634d9e53c1f9f90cdf2
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2025-09-20 03:21:20 +01:00

7.9 KiB

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