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Kees Cook a3bfc09506 tcp: Replace strncpy() with strscpy()
Replace the deprecated[1] uses of strncpy() in tcp_ca_get_name_by_key()
and tcp_get_default_congestion_control(). The callers use the results as
standard C strings (via nla_put_string() and proc handlers respectively),
so trailing padding is not needed.

Since passing the destination buffer arguments decays it to a pointer,
the size can't be trivially determined by the compiler. ca->name is
the same length in both cases, so strscpy() won't fail (when ca->name
is NUL-terminated). Include the length explicitly instead of using the
2-argument strscpy().

Link: https://github.com/KSPP/linux/issues/90 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240714041111.it.918-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-16 07:52:15 -07:00
arch bpf-next-for-netdev 2024-07-12 22:25:54 -07:00
block
certs
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Documentation aux-sysfs-irqs 2024-07-15 12:42:45 -07:00
drivers wifi: ath12k: fix build vs old compiler 2024-07-16 07:51:05 -07:00
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-07-12 22:20:30 -07:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-07-15 13:19:17 -07:00
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kernel bpf-next-for-netdev 2024-07-12 22:25:54 -07:00
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LICENSES
mm mm/hugetlb: fix kernel NULL pointer dereference when migrating hugetlb folio 2024-07-09 15:41:11 -07:00
net tcp: Replace strncpy() with strscpy() 2024-07-16 07:52:15 -07:00
rust
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scripts bpf-next-for-netdev 2024-07-09 17:01:46 +02:00
security integrity-v6.10-fix 2024-07-05 16:21:54 -07:00
sound ASoC: Fixes for v6.10 2024-07-11 17:11:50 +02:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-07-15 13:19:17 -07:00
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CREDITS pci-v6.10-fixes-2 2024-07-05 12:33:00 -07:00
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MAINTAINERS eth: fbnic: Add scaffolding for Meta's NIC driver 2024-07-15 12:50:42 -07:00
Makefile Linux 6.10-rc7 2024-07-07 14:23:46 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.