[PATCH] fixup! tlsf: move kasan_poison_shadow into tlsf_add_pool
Ahmad Fatoum
a.fatoum at barebox.org
Wed Oct 15 01:30:01 PDT 2025
tlsf: do not poison the control structure more than once
The control_t structure is only associated with a tlsf_t, not a merel
pool_t. Poisoning the control structure again in tlsf_pool thus served
no purpose.
Signed-off-by: Ahmad Fatoum <a.fatoum at barebox.org>
---
common/tlsf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/common/tlsf.c b/common/tlsf.c
index c4ba8259b261..3c72b41c0385 100644
--- a/common/tlsf.c
+++ b/common/tlsf.c
@@ -872,7 +872,6 @@ pool_t tlsf_add_pool(tlsf_t tlsf, void* mem, size_t bytes)
block_set_prev_free(next);
kasan_poison_shadow(mem, bytes, KASAN_TAG_INVALID);
- kasan_poison_shadow(control, sizeof(control), KASAN_TAG_INVALID);
return mem;
}
@@ -949,6 +948,7 @@ tlsf_t tlsf_create_with_pool(void* mem, size_t bytes)
{
tlsf_t tlsf = tlsf_create(mem);
tlsf_add_pool(tlsf, (char*)mem + tlsf_size(), bytes - tlsf_size());
+ kasan_poison_shadow(mem, tlsf_size(), KASAN_TAG_INVALID);
return tlsf;
}
--
2.47.3
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