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audit/stable-6.1 PR 20221107

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Merge tag 'audit-pr-20221107' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit fix from Paul Moore:
 "A small audit patch to fix an instance of undefined behavior in a
  shift operator caused when shifting a signed value too far, the same
  case as the lsm patch merged previously.

  While the fix is trivial and I can't imagine it causing a problem in a
  backport, I'm not explicitly marking it for stable on the off chance
  that there is some system out there which is relying on some wonky
  unexpected behavior which this patch could break; *if* it does break,
  IMO it's better that to happen in a minor or -rcX release and not in a
  stable backport"

* tag 'audit-pr-20221107' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: fix undefined behavior in bit shift for AUDIT_BIT
This commit is contained in:
Linus Torvalds 2022-11-08 12:30:29 -08:00
commit f141df3713
1 changed files with 1 additions and 1 deletions
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2
include/uapi/linux/audit.h
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@ -187,7 +187,7 @@
#define AUDIT_MAX_KEY_LEN 256
#define AUDIT_BITMASK_SIZE 64
#define AUDIT_WORD(nr) ((__u32)((nr)/32))
#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
#define AUDIT_BIT(nr) (1U << ((nr) - AUDIT_WORD(nr)*32))
#define AUDIT_SYSCALL_CLASSES 16
#define AUDIT_CLASS_DIR_WRITE 0