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Björn Töpel 1beb7830d3 ice: avoid premature Rx buffer reuse
The page recycle code, incorrectly, relied on that a page fragment
could not be freed inside xdp_do_redirect(). This assumption leads to
that page fragments that are used by the stack/XDP redirect can be
reused and overwritten.

To avoid this, store the page count prior invoking xdp_do_redirect().

Fixes: efc2214b60 ("ice: Add support for XDP")
Reported-and-analyzed-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-12-09 15:26:58 -08:00
arch - fix lockdep irq state tracing 2020-12-03 11:58:26 -08:00
block block/keyslot-manager: prevent crash when num_slots=1 2020-11-20 11:52:52 -07:00
certs
crypto drivers-5.10-2020-10-12 2020-10-13 13:04:41 -07:00
Documentation Networking fixes for 5.10-rc7, including fixes from bpf, netfilter, 2020-12-03 13:10:11 -08:00
drivers ice: avoid premature Rx buffer reuse 2020-12-09 15:26:58 -08:00
fs Restore splice functionality for 9p 2020-12-03 11:47:13 -08:00
include net: stmmac: overwrite the dma_cap.addr64 according to HW design 2020-12-08 14:52:29 -08:00
init Have bootconfig size and checksum be little endian 2020-12-02 12:09:36 -08:00
ipc
kernel Tracing fixes for 5.10-rc6 2020-12-01 15:30:18 -08:00
lib lib/syscall: fix syscall registers retrieval on 32-bit platforms 2020-12-03 09:52:44 -08:00
LICENSES
mm mm: fix VM_BUG_ON(PageTail) and BUG_ON(PageWriteback) 2020-11-24 15:23:19 -08:00
net can: isotp: isotp_setsockopt(): block setsockopt on bound sockets 2020-12-09 08:44:15 -08:00
samples Tracing fixes for 5.10-rc6 2020-12-01 15:30:18 -08:00
scripts Kbuild fixes for v5.10 2020-11-28 10:42:30 -08:00
security selinux/stable-5.10 PR 20201113 2020-11-14 12:04:02 -08:00
sound ALSA: hda/realtek: Add mute LED quirk to yet another HP x360 model 2020-11-28 10:00:51 +01:00
tools vrf: packets with lladdr src needs dst at input with orig_iif when needs strict 2020-12-05 13:46:07 -08:00
usr
virt kvm: x86/mmu: Support dirty logging for the TDP MMU 2020-10-23 03:42:13 -04:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap ARM: 2020-11-27 11:04:13 -08:00
COPYING
CREDITS Samsung changes for v5.10 2020-11-13 13:16:27 +01:00
Kbuild
Kconfig
MAINTAINERS Networking fixes for 5.10-rc7, including fixes from bpf, netfilter, 2020-12-03 13:10:11 -08:00
Makefile Linux 5.10-rc6 2020-11-29 15:50:50 -08:00
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 Restructured Text 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.