mirror of
https://github.com/dynup/kpatch
synced 2025-02-15 17:16:57 +00:00
fb49e254cf
Improve the static local variable correlation logic, for the case where a static local is used by multiple functions. For each usage of the variable, look for a corresponding usage in the base object. If we find at least one matching usage, consider it a twin.
47 lines
1.1 KiB
Diff
47 lines
1.1 KiB
Diff
Index: src/kernel/audit.c
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===================================================================
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--- src.orig/kernel/audit.c
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+++ src/kernel/audit.c
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@@ -211,6 +211,12 @@ void audit_panic(const char *message)
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}
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}
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+void kpatch_audit_foo(void)
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+{
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+ if (!jiffies)
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+ printk("kpatch audit foo\n");
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+}
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+
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static inline int audit_rate_check(void)
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{
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static unsigned long last_check = 0;
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@@ -221,6 +227,7 @@ static inline int audit_rate_check(void)
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unsigned long elapsed;
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int retval = 0;
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+ kpatch_audit_foo();
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if (!audit_rate_limit) return 1;
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spin_lock_irqsave(&lock, flags);
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@@ -240,6 +247,11 @@ static inline int audit_rate_check(void)
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return retval;
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}
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+noinline void kpatch_audit_check(void)
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+{
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+ audit_rate_check();
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+}
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+
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/**
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* audit_log_lost - conditionally log lost audit message event
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* @message: the message stating reason for lost audit message
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@@ -286,6 +298,8 @@ static int audit_log_config_change(char
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struct audit_buffer *ab;
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int rc = 0;
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+ kpatch_audit_check();
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+
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ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
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if (unlikely(!ab))
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return rc;
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