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Eduard Zingerman 68ec5395bc selftests/bpf: Verify that sync_linked_regs preserves subreg_def 
[ Upstream commit a41b3828ec ]

This test was added because of a bug in verifier.c:sync_linked_regs(),
upon range propagation it destroyed subreg_def marks for registers.
The test is written in a way to return an upper half of a register
that is affected by range propagation and must have it's subreg_def
preserved. This gives a return value of 0 and leads to undefined
return value if subreg_def mark is not preserved.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240924210844.1758441-2-eddyz87@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-11-17 15:08:56 +01:00
..
accounting delayacct: track delays from IRQ/SOFTIRQ 2023-04-18 16:39:34 -07:00
arch tools/x86/kcpuid: Protect against faulty "max subleaf" values 2024-10-10 11:57:29 +02:00
bootconfig bootconfig: Fix testcase to increase max node 2023-03-22 01:00:28 +09:00
bpf bpftool: Fix undefined behavior in qsort(NULL, 0, ...) 2024-10-10 11:57:40 +02:00
build perf cs-etm: Bump minimum OpenCSD version to ensure a bugfix is present 2024-02-05 20:14:31 +00:00
certs tools/certs: Add print-cert-tbs-hash.sh 2022-05-23 18:47:49 +03:00
cgroup iocost_monitor: improve it by adding iocg wait_ms 2023-08-08 15:43:03 -06:00
counter tools/counter: Makefile: Replace rmdir by rm to avoid make,clean failure 2023-07-24 10:29:52 -04:00
crypto/ccp crypto: ccp - Fix some unfused tests 2023-11-20 11:59:18 +01:00
debugging tools: Add new "test" taint to kernel-chktaint 2022-09-07 14:51:12 -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 2023-05-11 10:56:24 +02:00
hv tools: hv: rm .*.cmd when make clean 2024-09-30 16:25:12 +02:00
iio tools/iio: Add memory allocation failure check for trigger_name 2024-10-17 15:24:20 +02:00
include bpf: Add cookie to perf_event bpf_link_info records 2024-11-01 01:58:19 +01:00
kvm/kvm_stat tools/kvm_stat: use canonical ftrace path 2023-03-29 06:52:08 -04:00
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 tools/lib/thermal: Fix sampling handler context ptr 2024-11-14 13:19:33 +01:00
memory-model tools/memory-model: Fix bug in lock.cat 2024-08-03 08:54:21 +02:00
mm tools/mm: -Werror fixes in page-types/slabinfo 2024-11-08 16:28:24 +01:00
net/ynl tools: ynl: don't ignore errors in NLMSG_DONE messages 2024-05-02 16:32:36 +02:00
objtool objtool: Fix UNWIND_HINT_{SAVE,RESTORE} across basic blocks 2024-03-26 18:19:35 -04:00
pci kbuild: replace $(if A,A,B) with $(or A,B) 2022-02-15 12:25:56 +09:00
pcmcia .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
perf libsubcmd: Don't free the usage string 2024-10-17 15:24:13 +02:00
power pm:cpupower: Add missing powercap_set_enabled() stub function 2024-10-04 16:28:55 +02:00
rcu tools: rcu: Add usage function and check for argument 2023-03-11 18:10:17 -08:00
scripts tools build: Add 3-component logical version comparators 2023-08-03 16:59:40 -03:00
spi spi: spidev_test Add three missing spi mode bits 2023-05-30 15:20:12 +01:00
testing selftests/bpf: Verify that sync_linked_regs preserves subreg_def 2024-11-17 15:08:56 +01:00
thermal tools/thermal: Fix possible path truncations 2022-08-03 19:28:46 +02:00
time treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tracing rtla: Fix the help text in osnoise and timerlat top tools 2024-10-10 11:58:00 +02:00
usb usbip: tools: Fix detach_port() invalid port error path 2024-11-08 16:28:22 +01:00
verification tools/rv: Fix Makefile compiler options for clang 2024-02-23 09:25:14 +01:00
virtio tools/virtio: Add dma sync api for virtio test 2023-10-16 05:32:23 -04:00
wmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
workqueue workqueue: Implement non-strict affinity scope for unbound workqueues 2023-08-07 15:57:25 -10:00
Makefile tools/Makefile: do missed s/vm/mm/ 2023-04-18 14:22:12 -07:00