loli10K 60b0a963f5 Off-by-one in zap_leaf_array_create()
Trying to set user properties with their length 1 byte shorter than the
maximum size triggers an assertion failure in zap_leaf_array_create():

  panic[cpu0]/thread=ffffff000a092c40:
  assertion failed: num_integers * integer_size < (8<<10) (0x2000 < 0x2000), file: ../../common/fs/zfs/zap_leaf.c, line: 233

  ffffff000a092500 genunix:process_type+167c35 ()
  ffffff000a0925a0 zfs:zap_leaf_array_create+1d2 ()
  ffffff000a092650 zfs:zap_entry_create+1be ()
  ffffff000a092720 zfs:fzap_update+ed ()
  ffffff000a0927d0 zfs:zap_update+1a5 ()
  ffffff000a0928d0 zfs:dsl_prop_set_sync_impl+5c6 ()
  ffffff000a092970 zfs:dsl_props_set_sync_impl+fc ()
  ffffff000a0929b0 zfs:dsl_props_set_sync+79 ()
  ffffff000a0929f0 zfs:dsl_sync_task_sync+10a ()
  ffffff000a092a80 zfs:dsl_pool_sync+3a3 ()
  ffffff000a092b50 zfs:spa_sync+4e6 ()
  ffffff000a092c20 zfs:txg_sync_thread+297 ()
  ffffff000a092c30 unix:thread_start+8 ()

This patch simply corrects the assertion.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8278
2019-01-18 09:58:46 -08:00
2019-01-18 09:47:55 -08:00
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2018-05-29 16:00:33 -07:00

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ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

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Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.

Release

ZFS on Linux is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels

  • The META file contains the officially recognized supported kernel versions.
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