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From: gdb-buildbot@sergiodj.net To: gdb-testers@sourceware.org Subject: [binutils-gdb] libctf: fix refcount leak in ctf_import Date: Thu, 10 Oct 2019 07:01:00 -0000 [thread overview] Message-ID: <ad613f1d0693e02bdc86047c479315d5f969e2f7@gdb-build> (raw) *** TEST RESULTS FOR COMMIT ad613f1d0693e02bdc86047c479315d5f969e2f7 *** commit ad613f1d0693e02bdc86047c479315d5f969e2f7 Author: Nick Alcock <nick.alcock@oracle.com> AuthorDate: Tue Sep 17 06:59:31 2019 +0100 Commit: Nick Alcock <nick.alcock@oracle.com> CommitDate: Thu Oct 3 17:04:56 2019 +0100 libctf: fix refcount leak in ctf_import Calling ctf_import (fp, NULL) to cancel out a pre-existing import leaked the refcnt increment on the parent, so it could never be freed. New in v4. libctf/ * ctf-open.c (ctf_import): Do not leak a ctf_file_t ref on every ctf_import after the first for a given file. diff --git a/libctf/ChangeLog b/libctf/ChangeLog index b7f12d8e09..982c335569 100644 --- a/libctf/ChangeLog +++ b/libctf/ChangeLog @@ -1,3 +1,8 @@ +2019-09-23 Nick Alcock <nick.alcock@oracle.com> + + * ctf-open.c (ctf_import): Do not leak a ctf_file_t ref on every + ctf_import after the first for a given file. + 2019-09-23 Nick Alcock <nick.alcock@oracle.com> * ctf-impl.h (ctf_str_append_noerr): Declare. diff --git a/libctf/ctf-open.c b/libctf/ctf-open.c index 4a95b7f38a..aedf39086a 100644 --- a/libctf/ctf-open.c +++ b/libctf/ctf-open.c @@ -1778,6 +1778,7 @@ ctf_import (ctf_file_t *fp, ctf_file_t *pfp) if (fp->ctf_parent != NULL) { + fp->ctf_parent->ctf_refcnt--; ctf_file_close (fp->ctf_parent); fp->ctf_parent = NULL; } @@ -1793,6 +1794,7 @@ ctf_import (ctf_file_t *fp, ctf_file_t *pfp) fp->ctf_flags |= LCTF_CHILD; pfp->ctf_refcnt++; } + fp->ctf_parent = pfp; return 0; }
next reply other threads:[~2019-10-10 7:01 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-10 7:01 gdb-buildbot [this message] 2019-10-10 7:01 ` Failures on Ubuntu-Aarch64-m64, branch master gdb-buildbot 2019-10-10 8:31 ` Failures on Ubuntu-Aarch64-native-extended-gdbserver-m64, " gdb-buildbot 2019-10-10 9:13 ` Failures on Ubuntu-Aarch64-native-gdbserver-m64, " gdb-buildbot 2019-10-13 2:05 ` Failures on Fedora-x86_64-m32, " gdb-buildbot 2019-10-13 2:32 ` Failures on Fedora-x86_64-m64, " gdb-buildbot 2019-10-13 2:59 ` Failures on Fedora-x86_64-native-extended-gdbserver-m32, " gdb-buildbot 2019-10-13 3:30 ` Failures on Fedora-x86_64-native-extended-gdbserver-m64, " gdb-buildbot 2019-10-13 3:44 ` Failures on Fedora-x86_64-native-gdbserver-m32, " gdb-buildbot 2019-10-13 4:20 ` Failures on Fedora-x86_64-native-gdbserver-m64, " gdb-buildbot
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