Re: [PATCH] Fix the kernel panic of audit_filter_task when key field is set
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>
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@ -243,6 +243,9 @@ static inline int open_arg(int flags, int mask)
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static int audit_match_perm(struct audit_context *ctx, int mask)
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{
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if (unlikely(!ctx))
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return 0;
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unsigned n = ctx->major;
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switch (audit_classify_syscall(ctx->arch, n)) {
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case 0: /* native */
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@ -284,6 +287,10 @@ static int audit_match_filetype(struct audit_context *ctx, int which)
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{
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unsigned index = which & ~S_IFMT;
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mode_t mode = which & S_IFMT;
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if (unlikely(!ctx))
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return 0;
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if (index >= ctx->name_count)
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return 0;
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if (ctx->names[index].ino == -1)
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