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| author | Eduard Zingerman <eddyz87@gmail.com> | 2026-09-04 01:33:23 -0700 |
|---|---|---|
| committer | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2026-09-04 12:58:04 +0200 |
| commit | 836b2fe544a5e9b5ce116622cb36fba33838c6fd (patch) | |
| tree | 95e38e4aaa0a6a78e373148b3d0af4aa2ab3d371 /tools/testing/selftests/lib | |
| download | linux-stable-836b2fe544a5e9b5ce116622cb36fba33838c6fd.tar.gz linux-stable-836b2fe544a5e9b5ce116622cb36fba33838c6fd.zip | |
selftests/bpf: Check that JMP32 pointer vs zero jumps are not predictedgrafted
Add jmp32_ptr_vs_zero_jne: the fall-through of the 32-bit compare, which
the verifier used to skip, contains an out of bounds map value access,
hence w/o the previous patch the program is accepted. See previous patch
for detailed description.
Reported-by: Nicholas Carlini <npc@anthropic.com>
Suggested-by: Nicholas Carlini <npc@anthropic.com>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20260904083325.2083493-6-eddyz87@gmail.com
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Diffstat (limited to 'tools/testing/selftests/lib')
| -rw-r--r-- | tools/testing/selftests/lib/Makefile | 8 | ||||
| -rwxr-xr-x | tools/testing/selftests/lib/bitmap.sh | 3 | ||||
| -rw-r--r-- | tools/testing/selftests/lib/config | 3 |
3 files changed, 14 insertions, 0 deletions
diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile new file mode 100644 index 000000000..f876bf474 --- /dev/null +++ b/tools/testing/selftests/lib/Makefile @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Makefile for lib/ function selftests + +# No binaries, but make sure arg-less "make" doesn't trigger "run_tests" +all: + +TEST_PROGS := bitmap.sh +include ../lib.mk diff --git a/tools/testing/selftests/lib/bitmap.sh b/tools/testing/selftests/lib/bitmap.sh new file mode 100755 index 000000000..00a416fbc --- /dev/null +++ b/tools/testing/selftests/lib/bitmap.sh @@ -0,0 +1,3 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +$(dirname $0)/../kselftest/module.sh "bitmap" test_bitmap diff --git a/tools/testing/selftests/lib/config b/tools/testing/selftests/lib/config new file mode 100644 index 000000000..377b3699f --- /dev/null +++ b/tools/testing/selftests/lib/config @@ -0,0 +1,3 @@ +CONFIG_TEST_BITMAP=m +CONFIG_PRIME_NUMBERS=m +CONFIG_TEST_BITOPS=m |