From: shashank <jain.sm@gmail.com>
To: Yury Norov <yury.norov@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH 2/6] bitmap: test bitmap_parse() with an illegal character before 8 hex digits
Date: Fri, 25 Sep 2026 15:53:03 +0530 [thread overview]
Message-ID: <20260925102307.49513-3-jain.sm@gmail.com> (raw)
In-Reply-To: <20260925102307.49513-1-jain.sm@gmail.com>
Add bitmap_parse() cases where an illegal character directly precedes a
chunk of eight hex digits. These were accepted before the previous
patch and must return -EINVAL.
Assisted-by: LLM
Signed-off-by: shashank <jain.sm@gmail.com>
---
lib/test_bitmap.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 56bd23059b26..35bb18f6e326 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -643,6 +643,10 @@ static const struct test_bitmap_parselist parse_tests[] __initconst = {
{-EOVERFLOW, "badf00d,deadbeef,1,0", NULL, 90, 0},
{-EOVERFLOW, "fbadf00d,deadbeef,1,0", NULL, 95, 0},
{-EOVERFLOW, "badf00d,deadbeef,1,0", NULL, 100, 0},
+
+ {-EINVAL, "x12345678", NULL, 32, 0},
+ {-EINVAL, "1g12345678", NULL, 64, 0},
+ {-EINVAL, "0x0000000f", NULL, 64, 0},
#undef step
};
--
2.43.0
next prev parent reply other threads:[~2026-09-25 10:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 10:23 [PATCH 0/6] bitmap: fix three parsing bugs in bitmap_parse() and bitmap_parselist() shashank
2026-09-25 10:23 ` [PATCH 1/6] bitmap: bitmap_parse(): reject non-hex character before 8 digits shashank
2026-09-25 10:23 ` shashank [this message]
2026-09-25 10:23 ` [PATCH 3/6] bitmap: bitmap_parselist(): reject trailing characters after group size shashank
2026-09-25 10:23 ` [PATCH 4/6] bitmap: test bitmap_parselist() with text after the " shashank
2026-09-25 10:23 ` [PATCH 5/6] bitmap: bitmap_parselist(): don't wrap around on a huge " shashank
2026-09-25 10:23 ` [PATCH 6/6] bitmap: test bitmap_parselist() with a group size close to UINT_MAX shashank
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