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Friedrich Vock e5138f43c9 bpf: Fix potential integer overflow in resolve_btfids 
[ Upstream commit 44382b3ed6 ]

err is a 32-bit integer, but elf_update returns an off_t, which is 64-bit
at least on 64-bit platforms. If symbols_patch is called on a binary between
2-4GB in size, the result will be negative when cast to a 32-bit integer,
which the code assumes means an error occurred. This can wrongly trigger
build failures when building very large kernel images.

Fixes: fbbb68de80 ("bpf: Add resolve_btfids tool to resolve BTF IDs in ELF object")
Signed-off-by: Friedrich Vock <friedrich.vock@gmx.de>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240514070931.199694-1-friedrich.vock@gmx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-16 13:39:50 +02:00
arch riscv: stacktrace: fixed walk_stackframe() 2024-06-16 13:39:48 +02:00
block blk-iocost: avoid out of bounds shift 2024-05-17 11:50:54 +02:00
certs
crypto Revert "crypto: api - Disallow identical driver names" 2024-05-02 16:24:47 +02:00
Documentation dt-bindings: pinctrl: mediatek: mt7622: fix array properties 2024-06-16 13:39:38 +02:00
drivers dma-buf/sw-sync: don't enable IRQ from sync_print_obj() 2024-06-16 13:39:49 +02:00
fs NFSv4: Fixup smatch warning for ambiguous return 2024-06-16 13:39:46 +02:00
include media: cec: core: avoid recursive cec_claim_log_addrs 2024-06-16 13:39:45 +02:00
init init/main.c: Fix potential static_command_line memory overflow 2024-04-27 17:05:28 +02:00
io_uring io_uring: ensure '0' is returned on file registration success 2024-04-10 16:19:37 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel dma-mapping: benchmark: handle NUMA_NO_NODE correctly 2024-06-16 13:39:49 +02:00
lib mm/slub, kunit: Use inverted data to corrupt kmem cache 2024-06-16 13:39:16 +02:00
LICENSES
mm x86/mm/pat: fix VM_PAT handling in COW mappings 2024-04-13 13:01:47 +02:00
net netfilter: nft_payload: restore vlan q-in-q match support 2024-06-16 13:39:48 +02:00
samples samples/hw_breakpoint: fix building without module unloading 2023-09-23 11:10:01 +02:00
scripts kbuild: Disable KCSAN for autogenerated *.mod.c intermediaries 2024-05-17 11:50:53 +02:00
security KEYS: trusted: Do not use WARN when encode fails 2024-05-25 16:20:18 +02:00
sound ASoC: tas2552: Add TX path for capturing AUDIO-OUT data 2024-06-16 13:39:46 +02:00
tools bpf: Fix potential integer overflow in resolve_btfids 2024-06-16 13:39:50 +02:00
usr
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-10 16:18:34 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.160 2024-05-25 16:20:19 +02:00
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.