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Notable bug fixes:

Browse source 
Ensure that NFS clients cannot send file size or offset values that
 can cause the NFS server to crash or to return incorrect or
 surprising results. In particular, fix how the NFS server handles
 values larger than OFFSET_MAX.
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Merge tag 'nfsd-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull more nfsd fixes from Chuck Lever:
 "Ensure that NFS clients cannot send file size or offset values that
  can cause the NFS server to crash or to return incorrect or surprising
  results.

  In particular, fix how the NFS server handles values larger than
  OFFSET_MAX"

* tag 'nfsd-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  NFSD: Deprecate NFS_OFFSET_MAX
  NFSD: Fix offset type in I/O trace points
  NFSD: COMMIT operations must not return NFS?ERR_INVAL
  NFSD: Clamp WRITE offsets
  NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes
  NFSD: Fix ia_size underflow
  NFSD: Fix the behavior of READ near OFFSET_MAX
This commit is contained in:
Linus Torvalds 2022-02-09 09:56:57 -08:00
commit f4bc5bbb5f
8 changed files with 74 additions and 55 deletions
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8
include/linux/nfs.h
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@ -36,14 +36,6 @@ static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *sourc
memcpy(target->data, source->data, source->size);
}
/*
* This is really a general kernel constant, but since nothing like
* this is defined in the kernel headers, I have to do it here.
*/
#define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1))
enum nfs3_stable_how {
NFS_UNSTABLE = 0,
NFS_DATA_SYNC = 1,