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MFV r316901:

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7730 libzfs`add_config() leaks config nvl when reading spare/l2cache devices

illumos/illumos-gate@105686550e
105686550e

https://www.illumos.org/issues/7730
  antares:root:~# mdb /usr/sbin/zpool
  > ::sysbp _exit
  > ::run import
     pool: data
       id: 2093977168778024605
    state: ONLINE
   action: The pool can be imported using its name or numeric identifier.
   config:

          data        ONLINE
            c6t0d0    ONLINE
            c6t1d0    ONLINE
          cache
            c6t2d0
  mdb: stop on entry to _exit
  mdb: target stopped at:
  0xfee556ba:     nop
  mdb: You've got symbols!
  Loading modules: [ ld.so.1 libumem.so.1 libc.so.1 libtopo.so.1 libavl.so.1
  libnvpair.so.1 ]
  > ::findleaks -d
  BYTES             LEAKED VMEM_SEG CALLER
  4096                  10 fda7b000 MMAP
  8192                   1 fea8d000 MMAP
  8192                   1 fe76d000 MMAP
  8192                   1 fe66e000 MMAP
  4096                   1 fe570000 MMAP
  8192                   1 fe470000 MMAP
  4096                   1 fe372000 MMAP
  4096                   1 fe273000 MMAP

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Author: Yuri Pankov <yuri.pankov@nexenta.com>
This commit is contained in:
Alexander Motin 2018-02-20 20:37:01 +00:00
commit 499a9a917a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=329665
1 changed files with 3 additions and 0 deletions
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3
cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c
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@ -240,9 +240,12 @@ add_config(libzfs_handle_t *hdl, pool_list_t *pl, const char *path,
free(ne);
return (-1);
}
ne->ne_guid = vdev_guid;
ne->ne_next = pl->names;
pl->names = ne;
nvlist_free(config);
return (0);
}