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Eric Dumazet e1b8b57623 icmp: randomize the global rate limiter 
[ Upstream commit b38e7819ca ]

Keyu Man reported that the ICMP rate limiter could be used
by attackers to get useful signal. Details will be provided
in an upcoming academic publication.

Our solution is to add some noise, so that the attackers
no longer can get help from the predictable token bucket limiter.

Fixes: 4cdf507d54 ("icmp: add a global rate limitation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Keyu Man <kman001@ucr.edu>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-29 09:06:59 +01:00
arch MIPS: Add the missing 'CPU_1074K' into __get_cpu_type() 2020-10-01 13:12:51 +02:00
block block: ensure bdi->io_pages is always initialized 2020-09-12 13:39:11 +02:00
certs
crypto crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() 2020-07-09 09:36:30 +02:00
Documentation icmp: randomize the global rate limiter 2020-10-29 09:06:59 +01:00
drivers net: hdlc_raw_eth: Clear the IFF_TX_SKB_SHARING flag after calling ether_setup 2020-10-29 09:06:59 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs reiserfs: Fix oops during mount 2020-10-17 10:29:55 +02:00
include net/ipv4: always honour route mtu during forwarding 2020-10-29 09:06:58 +01:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:17:15 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel perf: Fix task_function_call() error handling 2020-10-14 09:51:14 +02:00
lib Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts 2020-10-14 09:51:10 +02:00
mm mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged 2020-10-14 09:51:14 +02:00
net icmp: randomize the global rate limiter 2020-10-29 09:06:59 +01:00
samples samples: bpf: Fix build error 2020-06-03 08:17:55 +02:00
scripts checkpatch: fix the usage of capture group ( ... ) 2020-09-09 19:03:13 +02:00
security selinux: sel_avc_get_stat_idx should increase position index 2020-10-01 13:12:33 +02:00
sound ALSA: bebob: potential info leak in hwdep_read() 2020-10-29 09:06:59 +01:00
tools perf top: Fix stdio interface input handling with glibc 2.28+ 2020-10-14 09:51:11 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: fix overflow of zero page refcount with ksm running 2020-10-01 13:12:33 +02:00
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MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.202 2020-10-17 10:29:55 +02:00
README

README 

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.