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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>
History 2024-06-16 13:39:50 +02:00
..
accounting SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
arch x86/insn: Fix PUSH instruction in x86 instruction decoder opcode map 2024-06-16 13:39:31 +02:00
bootconfig bootconfig: Fix testcase to increase max node 2023-03-30 12:47:47 +02:00
bpf bpf: Fix potential integer overflow in resolve_btfids 2024-06-16 13:39:50 +02:00
build perf cs-etm: Bump minimum OpenCSD version to ensure a bugfix is present 2024-02-23 08:54:50 +01:00
cgroup tools/cgroup/slabinfo.py: updated to work on current kernel 2021-04-23 14:42:40 -07:00
debugging tools: Fix "the the" in a message in kernel-chktaint 2021-06-13 17:01:17 -06:00
edid tools/edid: Move EDID data sets from Documentation/ 2020-02-19 04:10:32 -07:00
firewire treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
firmware Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
gpio tools: gpio: fix debounce_period_us output of lsgpio 2023-06-21 15:59:12 +02:00
hv vmbus_testing: fix wrong python syntax for integer value comparison 2023-09-19 12:22:28 +02:00
iio tools: iio: replace seekdir() in iio_generic_buffer 2024-04-13 13:01:46 +02:00
include bpf: Pack struct bpf_fib_lookup 2024-06-16 13:39:18 +02:00
io_uring tools/io_uring/io_uring-cp: sync with liburing example 2021-08-13 08:58:11 -06:00
kvm/kvm_stat tools/kvm_stat: fix display of error when multiple processes are found 2022-08-11 13:07:51 +02:00
laptop change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
leds .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
lib libsubcmd: Fix parse-options memory leak 2024-06-16 13:39:40 +02:00
memory-model tools/memory-model: Document data_race(READ_ONCE()) 2021-07-27 11:48:55 -07:00
objtool exit: Rename module_put_and_exit to module_put_and_kthread_exit 2024-04-10 16:18:55 +02:00
pci tools: PCI: Zero-initialize param 2021-08-05 11:01:30 +01:00
pcmcia .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
perf perf stat: Avoid metric-only segv 2024-03-26 18:21:27 -04:00
power tools/power turbostat: Fix Bzy_MHz documentation typo 2024-05-17 11:50:53 +02:00
rcu tools/rcu: Add drgn script to dump number of RCU callbacks 2021-05-10 15:39:19 -07:00
scripts tools build: Fix quiet cmd indentation 2021-05-17 12:10:03 +09:00
spi spi: tools: make a symbolic link to the header file spi.h 2021-04-22 16:30:39 +01:00
testing selftests: net: bridge: increase IGMP/MLD exclude timeout membership interval 2024-06-16 13:39:33 +02:00
thermal/tmon tools/thermal: Fix possible path truncations 2022-08-17 14:24:15 +02:00
time treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tracing tools/latency-collector: Fix -Wformat-security compile warns 2024-06-16 13:39:12 +02:00
usb usb: testusb: Fix for showing the connection speed 2021-09-14 10:31:41 +02:00
virtio tools/virtio: fix build 2024-03-01 13:21:52 +01:00
vm tools/vm/slabinfo-gnuplot: use "grep -E" instead of "egrep" 2022-12-08 11:28:42 +01:00
wmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile tracing/tools: Add the latency-collector to tools directory 2021-02-12 11:52:59 -05:00