Shung-Hsi Yu 6706135577 libbpf: Fix null-pointer dereference in find_prog_by_sec_insn() ... [ Upstream commit d0d382f95a ] When there are no program sections, obj->programs is left unallocated, and find_prog_by_sec_insn()'s search lands on &obj->programs[0] == NULL, and will cause null-pointer dereference in the following access to prog->sec_idx. Guard the search with obj->nr_programs similar to what's being done in __bpf_program__iter() to prevent null-pointer access from happening. Fixes: db2b8b0642 ("libbpf: Support CO-RE relocations for multi-prog sections") Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@suse.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20221012022353.7350-4-shung-hsi.yu@suse.com Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-12-31 13:14:06 +01:00
..
accounting
arch	x86/cpu: Restore AMD's DE_CFG MSR after resume	2022-11-16 09:58:31 +01:00
bootconfig
bpf	bpftool: Fix NULL pointer dereference when pin {PROG, MAP, LINK} without FILE	2022-11-16 09:58:15 +01:00
build	tools build: Switch to new openssl API for test-libcrypto	2022-08-25 11:40:14 +02:00
cgroup
debugging
edid
firewire
firmware
gpio
hv
iio	tools: iio: iio_generic_buffer: Fix read size	2022-12-02 17:41:10 +01:00
include	tools/nolibc/string: Fix memcmp() implementation	2022-11-10 18:15:38 +01:00
io_uring
kvm/kvm_stat	tools/kvm_stat: fix display of error when multiple processes are found	2022-08-11 13:07:51 +02:00
laptop
leds
lib	libbpf: Fix null-pointer dereference in find_prog_by_sec_insn()	2022-12-31 13:14:06 +01:00
memory-model
objtool	objtool, kcsan: Add volatile read/write instrumentation to whitelist	2022-12-31 13:13:57 +01:00
pci
pcmcia
perf	perf tools: Add the include/perf/ directory to .gitignore	2022-11-16 09:58:20 +01:00
power	tools/power turbostat: fix ICX DRAM power numbers	2022-06-09 10:22:32 +02:00
rcu
scripts
spi
testing	selftests/efivarfs: Add checking of the test return value	2022-12-31 13:14:02 +01:00
thermal/tmon	tools/thermal: Fix possible path truncations	2022-08-17 14:24:15 +02:00
time
tracing
usb
virtio	tools/virtio: compile with -pthread	2022-05-25 09:57:25 +02:00
vm	tools/vm/slabinfo-gnuplot: use "grep -E" instead of "egrep"	2022-12-08 11:28:42 +01:00
wmi
Makefile