linux/tools/testing
Daniel Borkmann 2b918fe2f1
selftests/bpf: Add tests for fault prone loads out of RCU pointers
Cover the two loads which used to lose the BPF_PROBE_MEM rewrite, both reached
from an RCU read-side critical section. The purpose of this patch is to assert
load success in order to make sure to not trigger verifier_bug_if() on
bpf_may_fault_on_deref() due to forgotten rewrite of a probed pointer.

  # LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t rcu_read_lock
  [...]
  #332/1   rcu_read_lock/success:OK
  #332/2   rcu_read_lock/rcuptr_acquire:OK
  #332/3   rcu_read_lock/negative_tests_inproper_region:OK
  #332/4   rcu_read_lock/negative_tests_rcuptr_misuse:OK
  #332     rcu_read_lock:OK
  Summary: 1/4 PASSED, 0 SKIPPED, 0/0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20260817141015.878071-2-daniel@iogearbox.net
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
2026-08-17 19:31:52 +02:00
..
crypto/chacha20-s390 crypto: drbg - Fold include/crypto/drbg.h into crypto/drbg.c 2026-05-07 16:09:59 +08:00
cxl Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files) 2026-07-03 07:38:17 +02:00
fault-injection
ktest ktest: Add logfile to failure directory 2026-04-20 15:23:13 -04:00
kunit kunit:tool: Don't write to stdout when it should be disabled 2026-06-07 20:10:30 -06:00
memblock liveupdate: updates for 7.2-rc1 2026-06-21 09:46:14 -07:00
nvdimm tools/testing/nvdimm: Use per-DIMM device handle 2025-11-03 16:47:13 -06:00
radix-tree MAINTAINERS: update Liam's email address 2026-04-27 05:54:25 -07:00
rbtree
scatterlist mm: remove nth_page() 2025-09-21 14:22:10 -07:00
selftests selftests/bpf: Add tests for fault prone loads out of RCU pointers 2026-08-17 19:31:52 +02:00
shared mm/slab: improve kmem_cache_alloc_bulk 2026-06-03 18:20:43 +02:00
vma mm/vma: eliminate mmap_action->error_hook, introduce error_override 2026-06-04 14:45:00 -07:00
vsock vsock/test: add test for small packets under pressure 2026-07-21 12:11:06 +02:00