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Andrii Nakryiko 04efe5911f libbpf: fix SIGSEGV when BTF loading fails, but .BTF.ext exists 
In case when BTF loading fails despite sanitization, but BPF object has
.BTF.ext loaded as well, we free and null obj->btf, but not
obj->btf_ext. This leads to an attempt to relocate .BTF.ext later on
during bpf_object__load(), which assumes obj->btf is present. This leads
to SIGSEGV on null pointer access. Fix bug by freeing and nulling
obj->btf_ext as well.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-07-19 12:37:18 -07:00
..
accounting
arch tools arch x86: Sync asm/cpufeatures.h with the with the kernel 2019-07-08 13:47:14 -03:00
bpf tools: bpftool: add raw_tracepoint_writable prog type to header 2019-07-12 15:14:42 +02:00
build tools build: Check if gettid() is available before providing helper 2019-07-07 17:53:09 -03:00
cgroup
crypto
debugging
firewire
firmware Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
gpio Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
hv
iio Second set of IIO device support, features, cleanups and minor fixes for 5.3. 2019-07-01 10:58:13 +02:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2019-07-18 14:04:45 -07:00
io_uring
kvm/kvm_stat treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
laptop treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505 2019-06-19 17:11:22 +02:00
leds
lib libbpf: fix SIGSEGV when BTF loading fails, but .BTF.ext exists 2019-07-19 12:37:18 -07:00
memory-model tools/memory-model: Improve data-race detection 2019-06-24 09:08:54 -07:00
nfsd
objtool It's been a relatively busy cycle for docs: 2019-07-09 12:34:26 -07:00
pci
pcmcia treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 247 2019-06-19 17:09:08 +02:00
perf Merge remote-tracking branch 'tip/perf/core' into perf/urgent 2019-07-08 13:06:57 -03:00
power ACPI updates for 5.3-rc1 2019-07-09 10:21:39 -07:00
scripts
spi
testing Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2019-07-18 14:04:45 -07:00
thermal/tmon
time
usb
virtio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482 2019-06-19 17:09:52 +02:00
vm tools/vm/slabinfo: add sorting info to help menu 2019-07-12 11:05:46 -07:00
wmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile