Date: Wed, 23 Jun 2021 19:47:04 +0200 From: Lutz Donnerhacke <lutz@donnerhacke.de> To: Alexander Richardson <arichardson@freebsd.org> Cc: Lutz Donnerhacke <donner@freebsd.org>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org Subject: Re: git: 935fc93af157 - main - libalias: Switch to efficient data structure for outgoing traffic Message-ID: <20210623174704.GB21369@belenus.iks-jena.de> In-Reply-To: <CA%2BZ_v8pWGNtqiyh85A7Frmg4G-v8%2BRuvnX5bVEysDRxuUUJUrQ@mail.gmail.com> References: <202106192010.15JKAbQ8061792@gitrepo.freebsd.org> <CA%2BZ_v8pWGNtqiyh85A7Frmg4G-v8%2BRuvnX5bVEysDRxuUUJUrQ@mail.gmail.com>
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On Wed, Jun 23, 2021 at 11:08:13AM +0100, Alexander Richardson wrote: > On Sat, 19 Jun 2021 at 21:10, Lutz Donnerhacke <donner@freebsd.org> wrote: > > commit 935fc93af157dee352eb4b6c83f8a2a9e7fd9a4e > > Author: Lutz Donnerhacke <donner@FreeBSD.org> > > AuthorDate: 2021-05-27 21:42:54 +0000 > > Commit: Lutz Donnerhacke <donner@FreeBSD.org> > > CommitDate: 2021-06-19 20:09:44 +0000 > > > > libalias: Switch to efficient data structure for outgoing traffic [shorten the output to make the messages readable] > This commit appears to have introduced a SIGBUS when running some of the tests: > > Program terminated with signal SIGBUS, Bus error. > #0 cmp_out (a=0x80180e080, b=0x5a5a5a5a5a5a5a5a) at > /usr/src/sys/netinet/libalias/alias_db.c:413 > 413 /usr/src/sys/netinet/libalias/alias_db.c: No such file or directory. > #0 cmp_out (a=0x80180e080, b=0x5a5a5a5a5a5a5a5a) at > /usr/src/sys/netinet/libalias/alias_db.c:413 > #1 splay_out_SPLAY (head=head@entry=0x8018100e0, > elm=elm@entry=0x80180e080) at > /usr/src/sys/netinet/libalias/alias_db.c:425 > #2 0x00000008010908d9 in splay_out_SPLAY_REMOVE (head=0x8018100e0, > elm=0x80180e080) at /usr/src/sys/netinet/libalias/alias_db.c:425 > #3 DeleteLink (plnk=plnk@entry=0x7fffffffd530, > deletePermanent=<optimized out>, deletePermanent@entry=1) at > /usr/src/sys/netinet/libalias/alias_db.c:883 > #4 0x0000000801091251 in CleanupAliasData (la=0x8018100c0, > deletePermanent=1) at /usr/src/sys/netinet/libalias/alias_db.c:819 > #5 LibAliasUninit (la=0x8018100c0) at > /usr/src/sys/netinet/libalias/alias_db.c:2542 [...] A use after free in the final cleanup. Thank you for catching this. It will delay the MFC until this issue is solved. > Source: https://ci.freebsd.org/job/FreeBSD-main-amd64-test/18438/testReport/junit/sys.netinet.libalias/3_natin/1_portforward/ > See https://ci.freebsd.org/job/FreeBSD-main-amd64-test/18438/#showFailuresLink > Could you have a look? Yep, try to reproduce.
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