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libctf: fix double-free on ctf_compress_write error path 

We were freeing the compressed data buffer twice if compression failed.

v4: Fix commit message.
v5: fix tabdamage.

libctf/
	* ctf-create.c (ctf_compress_write): Fix double-free.
This commit is contained in:
Nick Alcock 2019-07-13 20:44:38 +01:00
parent 5537f9b9a3
commit 3dde2c915e
2 changed files with 4 additions and 1 deletions
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4
libctf/ChangeLog
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@ -1,3 +1,7 @@
2019-07-13 Nick Alcock <nick.alcock@oracle.com>
* ctf-create.c (ctf_compress_write): Fix double-free.
2019-07-13 Nick Alcock <nick.alcock@oracle.com>
* ctf-archive.c (ctf_arc_write): Split off, and reimplement in terms

1
libctf/ctf-create.c
View File

@ -1997,7 +1997,6 @@ ctf_compress_write (ctf_file_t *fp, int fd)
{
ctf_dprintf ("zlib deflate err: %s\n", zError (rc));
err = ctf_set_errno (fp, ECTF_COMPRESS);
ctf_free (buf);
goto ret;
}