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Several users of kallsyms_show_value() were performing checks not during "open". Refactor everything needed to gain proper checks against file->f_cred for modules, kprobes, and bpf. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAl8GUbMWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJohnD/9VsPsAMV+8lhsPvkcuW/DkTcAY qUEzsXU3v06gJ0Z/1lBKtisJ6XmD93wWcZCTFvJ0S8vR3yLZvOVfToVjCMO32Trc 4ZkWTPwpvfeLug6T6CcI2ukQdZ/opI1cSabqGl79arSBgE/tsghwrHuJ8Exkz4uq 0b7i8nZa+RiTezwx4EVeGcg6Dv1tG5UTG2VQvD/+QGGKneBlrlaKlI885N/6jsHa KxvB7+8ES1pnfGYZenx+RxMdljNrtyptbQEU8gyvoV5YR7635gjZsVsPwWANJo+4 EGcFFpwWOAcVQaC3dareLTM8nVngU6Wl3Rd7JjZtjvtZba8DdCn669R34zDGXbiP +1n1dYYMSMBeqVUbAQfQyLD0pqMIHdwQj2TN8thSGccr2o3gNk6AXgYq0aYm8IBf xDCvAansJw9WqmxErIIsD4BFkMqF7MjH3eYZxwCPWSrKGDvKxQSPV5FarnpDC9U7 dYCWVxNPmtn+unC/53yXjEcBepKaYgNR7j5G7uOfkHvU43Bd5demzLiVJ10D8abJ ezyErxxEqX2Gr7JR2fWv7iBbULJViqcAnYjdl0y0NgK/hftt98iuge6cZmt1z6ai 24vI3X4VhvvVN5/f64cFDAdYtMRUtOo2dmxdXMid1NI07Mj2qFU1MUwb8RHHlxbK 8UegV2zcrBghnVuMkw== =ib5Q -----END PGP SIGNATURE----- Merge tag 'kallsyms_show_value-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kallsyms fix from Kees Cook: "Refactor kallsyms_show_value() users for correct cred. I'm not delighted by the timing of getting these changes to you, but it does fix a handful of kernel address exposures, and no one has screamed yet at the patches. Several users of kallsyms_show_value() were performing checks not during "open". Refactor everything needed to gain proper checks against file->f_cred for modules, kprobes, and bpf" * tag 'kallsyms_show_value-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests: kmod: Add module address visibility test bpf: Check correct cred for CAP_SYSLOG in bpf_dump_raw_ok() kprobes: Do not expose probe addresses to non-CAP_SYSLOG module: Do not expose section addresses to non-CAP_SYSLOG module: Refactor section attr into bin attribute kallsyms: Refactor kallsyms_show_value() to take cred |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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.