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Filename Latest commit message Latest commit date
Sabrina Dubroca 401ad99a5a xfrm: validate new SA's prefixlen using SA family when sel.family is unset 
[ Upstream commit 3f0ab59e6537c6a8f9e1b355b48f9c05a76e8563 ]

This expands the validation introduced in commit 07bf790895 ("xfrm:
Validate address prefix lengths in the xfrm selector.")

syzbot created an SA with
    usersa.sel.family = AF_UNSPEC
    usersa.sel.prefixlen_s = 128
    usersa.family = AF_INET

Because of the AF_UNSPEC selector, verify_newsa_info doesn't put
limits on prefixlen_{s,d}. But then copy_from_user_state sets
x->sel.family to usersa.family (AF_INET). Do the same conversion in
verify_newsa_info before validating prefixlen_{s,d}, since that's how
prefixlen is going to be used later on.

Reported-by: syzbot+cc39f136925517aed571@syzkaller.appspotmail.com
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-08 16:20:52 +01:00
arch arm64/uprobes: change the uprobe_opcode_t typedef to fix the sparse warning 2024-11-08 16:20:52 +01:00
block blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race 2024-11-08 16:20:48 +01:00
certs
crypto
Documentation arm64: errata: Expand speculative SSBS workaround once more 2024-11-08 16:20:42 +01:00
drivers hv_netvsc: Fix VF namespace also in synthetic NIC NETDEV_REGISTER event 2024-11-08 16:20:51 +01:00
fs nilfs2: fix kernel bug due to missing clearing of buffer delay flag 2024-11-08 16:20:51 +01:00
include genetlink: hold RCU in genlmsg_mcast() 2024-11-08 16:20:50 +01:00
init
ipc
kernel posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime() 2024-11-08 16:20:51 +01:00
lib debugobjects: Fix conditions in fill_pool() 2024-11-08 16:20:34 +01:00
LICENSES
mm mm/swapfile: skip HugeTLB pages for unuse_vma 2024-11-08 16:20:47 +01:00
net xfrm: validate new SA's prefixlen using SA family when sel.family is unset 2024-11-08 16:20:52 +01:00
samples
scripts
security selinux: improve error checking in sel_write_load() 2024-11-08 16:20:52 +01:00
sound ALSA: hda/realtek: Add subwoofer quirk for Acer Predator G9-593 2024-11-08 16:20:51 +01:00
tools tools/iio: Add memory allocation failure check for trigger_name 2024-11-08 16:20:45 +01:00
usr
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-11-08 16:20:47 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Remove *.orig pattern from .gitignore 2024-11-08 16:20:33 +01:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile
README

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.