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Filename Latest commit message Latest commit date
Al Viro 41a6c31df7 protect the fetch of ->fd[fd] in do_dup2() from mispredictions
commit 8aa37bde1a7b645816cda8b80df4753ecf172bf1 upstream.

both callers have verified that fd is not greater than ->max_fds;
however, misprediction might end up with
        tofree = fdt->fd[fd];
being speculatively executed.  That's wrong for the same reasons
why it's wrong in close_fd()/file_close_fd_locked(); the same
solution applies - array_index_nospec(fd, fdt->max_fds) could differ
from fd only in case of speculative execution on mispredicted path.

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-19 05:33:45 +02:00
arch powerpc: fix a file leak in kvm_vcpu_ioctl_enable_cap() 2024-08-19 05:33:42 +02:00
block block: prevent division by zero in blk_rq_stat_sum() 2024-04-13 12:51:38 +02:00
certs
crypto crypto: ecrdsa - Fix module auto-load on add_key 2024-06-16 13:28:51 +02:00
Documentation ASoC: dt-bindings: rt5645: add cbj sleeve gpio property 2024-06-16 13:28:31 +02:00
drivers HID: wacom: Modify pen IDs 2024-08-19 05:33:45 +02:00
fs protect the fetch of ->fd[fd] in do_dup2() from mispredictions 2024-08-19 05:33:45 +02:00
include genirq: Allow the PM device to originate from irq domain 2024-08-19 05:33:43 +02:00
init init: open /initrd.image with O_LARGEFILE 2024-04-13 12:51:36 +02:00
ipc
kernel genirq: Allow the PM device to originate from irq domain 2024-08-19 05:33:43 +02:00
lib kobject_uevent: Fix OOB access within zap_modalias_env() 2024-08-19 05:33:38 +02:00
LICENSES
mm mm: avoid overflows in dirty throttling logic 2024-08-19 05:33:42 +02:00
net ipv6: fix ndisc_is_useropt() handling for PIO 2024-08-19 05:33:45 +02:00
samples media: rename VFL_TYPE_GRABBER to _VIDEO 2024-03-26 18:22:22 -04:00
scripts kconfig: remove wrong expr_trans_bool() 2024-07-27 10:38:29 +02:00
security apparmor: Fix null pointer deref when receiving skb during sock creation 2024-08-19 05:33:42 +02:00
sound ASoC: Intel: use soc_intel_is_byt_cr() only when IOSF_MBI is reachable 2024-08-19 05:33:42 +02:00
tools libbpf: Fix no-args func prototype BTF dumping syntax 2024-08-19 05:33:41 +02:00
usr
virt KVM: async_pf: Cleanup kvm_setup_async_pf() 2024-05-02 16:18:32 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.281 2024-07-27 10:38:33 +02:00
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.