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audit/stable-5.17 PR 20220209

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Merge tag 'audit-pr-20220209' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit fix from Paul Moore:
 "Another audit fix, this time a single rather small but important fix
  for an oops/page-fault caused by improperly accessing userspace
  memory"

* tag 'audit-pr-20220209' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: don't deref the syscall args when checking the openat2 open_how::flags
This commit is contained in:
Linus Torvalds 2022-02-10 05:43:43 -08:00
commit 252787201e
1 changed files with 1 additions and 1 deletions
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2
kernel/auditsc.c
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@ -185,7 +185,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask)
case AUDITSC_EXECVE:
return mask & AUDIT_PERM_EXEC;
case AUDITSC_OPENAT2:
return mask & ACC_MODE((u32)((struct open_how *)ctx->argv[2])->flags);
return mask & ACC_MODE((u32)ctx->openat2.flags);
default:
return 0;
}