diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
---|---|---|
committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /app-emulation/qemu/files/qemu-2.10.0-CVE-2017-13711.patch |
reinit the tree, so we can have metadata
Diffstat (limited to 'app-emulation/qemu/files/qemu-2.10.0-CVE-2017-13711.patch')
-rw-r--r-- | app-emulation/qemu/files/qemu-2.10.0-CVE-2017-13711.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/app-emulation/qemu/files/qemu-2.10.0-CVE-2017-13711.patch b/app-emulation/qemu/files/qemu-2.10.0-CVE-2017-13711.patch new file mode 100644 index 000000000000..9d026568492d --- /dev/null +++ b/app-emulation/qemu/files/qemu-2.10.0-CVE-2017-13711.patch @@ -0,0 +1,80 @@ +From 1201d308519f1e915866d7583d5136d03cc1d384 Mon Sep 17 00:00:00 2001 +From: Samuel Thibault <samuel.thibault@ens-lyon.org> +Date: Fri, 25 Aug 2017 01:35:53 +0200 +Subject: [PATCH] slirp: fix clearing ifq_so from pending packets +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The if_fastq and if_batchq contain not only packets, but queues of packets +for the same socket. When sofree frees a socket, it thus has to clear ifq_so +from all the packets from the queues, not only the first. + +Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> +Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> +Cc: qemu-stable@nongnu.org +Signed-off-by: Peter Maydell <peter.maydell@linaro.org> +--- + slirp/socket.c | 39 +++++++++++++++++++++++---------------- + 1 file changed, 23 insertions(+), 16 deletions(-) + +diff --git a/slirp/socket.c b/slirp/socket.c +index ecec0295a9..cb7b5b608d 100644 +--- a/slirp/socket.c ++++ b/slirp/socket.c +@@ -60,29 +60,36 @@ socreate(Slirp *slirp) + } + + /* ++ * Remove references to so from the given message queue. ++ */ ++static void ++soqfree(struct socket *so, struct quehead *qh) ++{ ++ struct mbuf *ifq; ++ ++ for (ifq = (struct mbuf *) qh->qh_link; ++ (struct quehead *) ifq != qh; ++ ifq = ifq->ifq_next) { ++ if (ifq->ifq_so == so) { ++ struct mbuf *ifm; ++ ifq->ifq_so = NULL; ++ for (ifm = ifq->ifs_next; ifm != ifq; ifm = ifm->ifs_next) { ++ ifm->ifq_so = NULL; ++ } ++ } ++ } ++} ++ ++/* + * remque and free a socket, clobber cache + */ + void + sofree(struct socket *so) + { + Slirp *slirp = so->slirp; +- struct mbuf *ifm; + +- for (ifm = (struct mbuf *) slirp->if_fastq.qh_link; +- (struct quehead *) ifm != &slirp->if_fastq; +- ifm = ifm->ifq_next) { +- if (ifm->ifq_so == so) { +- ifm->ifq_so = NULL; +- } +- } +- +- for (ifm = (struct mbuf *) slirp->if_batchq.qh_link; +- (struct quehead *) ifm != &slirp->if_batchq; +- ifm = ifm->ifq_next) { +- if (ifm->ifq_so == so) { +- ifm->ifq_so = NULL; +- } +- } ++ soqfree(so, &slirp->if_fastq); ++ soqfree(so, &slirp->if_batchq); + + if (so->so_emu==EMU_RSH && so->extra) { + sofree(so->extra); +-- +2.13.5 + |