arm64: mte: Fix double-freeing of the temporary tag storage during co…

…redump Commit 16decce ("arm64: mte: Fix the stack frame size warning in mte_dump_tag_range()") moved the temporary tag storage array from the stack to slab but it also introduced an error in double freeing this object. Remove the in-loop freeing. Fixes: 16decce ("arm64: mte: Fix the stack frame size warning in mte_dump_tag_range()") Cc: <[email protected]> # 5.18.x Signed-off-by: Catalin Marinas <[email protected]> Reported-by: Seth Jenkins <[email protected]> Cc: Will Deacon <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Will Deacon <[email protected]>
cilium · Jan 5, 2023 · 736eedc · 736eedc
1 parent eb9a852
commit 736eedc
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/arch/arm64/kernel/elfcore.c b/arch/arm64/kernel/elfcore.c
@@ -65,7 +65,6 @@ static int mte_dump_tag_range(struct coredump_params *cprm,
 		mte_save_page_tags(page_address(page), tags);
 		put_page(page);
 		if (!dump_emit(cprm, tags, MTE_PAGE_TAG_STORAGE)) {
-			mte_free_tag_storage(tags);
 			ret = 0;
 			break;
 		}