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MFC r288064 (by avg): 6220 memleak in l2arc on debug build

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illumos/illumos-gate/commit/c546f36aa898d913ff77674fb5ff97f15b2e08b4
https://www.illumos.org/issues/6220
  5408 introduced a memleak in l2arc, namely the member b_thawed gets leaked
  when an arc_hdr is realloced from full to l2only.

Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Simon Klinkert <simon.klinkert@gmail.com>
Reviewed by: George Wilson <george@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Author: Arne Jansen <sensille@gmx.net>
This commit is contained in:
mav 2015-10-03 11:43:54 +00:00
parent 3a9f042f34
commit cc1f6f3820
1 changed files with 7 additions and 0 deletions
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7
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
View File

@ -1488,6 +1488,13 @@ arc_hdr_realloc(arc_buf_hdr_t *hdr, kmem_cache_t *old, kmem_cache_t *new)
VERIFY(!HDR_L2_WRITING(hdr));
VERIFY3P(hdr->b_l1hdr.b_tmp_cdata, ==, NULL);
#ifdef ZFS_DEBUG
if (hdr->b_l1hdr.b_thawed != NULL) {
kmem_free(hdr->b_l1hdr.b_thawed, 1);
hdr->b_l1hdr.b_thawed = NULL;
}
#endif
nhdr->b_flags &= ~ARC_FLAG_HAS_L1HDR;
}
/*