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Re: [PATCH] Fix the kernel panic of audit_filter_task when key field is set

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Sorry, I miss a blank between if and "(".
And I add "unlikely" to check "ctx" in audit_match_perm() and audit_match_filetype().
This is a new patch for it.

Signed-off-by: Zhang Xiliang <zhangxiliang@cn.fujitsu.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
zhangxiliang 2008-08-02 10:56:37 +08:00 committed by Al Viro
parent 2b12a4c524
commit 1a61c88def
1 changed files with 7 additions and 0 deletions
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7
kernel/auditsc.c
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@ -243,6 +243,9 @@ static inline int open_arg(int flags, int mask)
static int audit_match_perm(struct audit_context *ctx, int mask)
{
if (unlikely(!ctx))
return 0;
unsigned n = ctx->major;
switch (audit_classify_syscall(ctx->arch, n)) {
case 0: /* native */
@ -284,6 +287,10 @@ static int audit_match_filetype(struct audit_context *ctx, int which)
{
unsigned index = which & ~S_IFMT;
mode_t mode = which & S_IFMT;
if (unlikely(!ctx))
return 0;
if (index >= ctx->name_count)
return 0;
if (ctx->names[index].ino == -1)