39 lines
1.7 KiB
Diff
39 lines
1.7 KiB
Diff
From: Sergei Trofimovich <slyich@gmail.com>
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Date: Wed, 23 Mar 2022 07:27:05 +0000
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Subject: [PATCH] auditswig.i: avoid setter generation for audit_rule_data::buf
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References: https://github.com/linux-audit/audit-userspace/issues/252
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Git-commit: https://github.com/linux-audit/audit-userspace/pull/253/commits/beed138222421a2eb4212d83cb889404bd7efc49
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Git-repo: [if different from https://github.com/linux-audit/audit-userspace.git]
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Patch-mainline: submitted for review upstream
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As it's a flexible array generated code was never safe to use.
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With kernel's https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed98ea2128b6fd83bce13716edf8f5fe6c47f574
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change it's a build failure now:
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audit> audit_wrap.c:5010:15: error: invalid use of flexible array member
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audit> 5010 | arg1->buf = (char [])(char *)memcpy(malloc((size)*sizeof(char)), (const char *)(arg2), sizeof(char)*(size));
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audit> | ^
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Let's avoid setter generation entirely.
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Closes: https://github.com/linux-audit/audit-userspace/issues/252
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---
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bindings/swig/src/auditswig.i | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/bindings/swig/src/auditswig.i b/bindings/swig/src/auditswig.i
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index 21aafca31..9a2c5661d 100644
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--- a/bindings/swig/src/auditswig.i
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+++ b/bindings/swig/src/auditswig.i
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@@ -39,6 +39,10 @@ signed
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#define __attribute(X) /*nothing*/
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typedef unsigned __u32;
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typedef unsigned uid_t;
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+/* Sidestep SWIG's limitation of handling c99 Flexible arrays by not:
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+ * generating setters against them: https://github.com/swig/swig/issues/1699
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+ */
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+%ignore audit_rule_data::buf;
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%include "/usr/include/linux/audit.h"
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#define __extension__ /*nothing*/
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%include <stdint.i>
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