diff options
Diffstat (limited to 'app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch')
| -rw-r--r-- | app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch b/app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch deleted file mode 100644 index 4ce9a35c3f11..000000000000 --- a/app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch +++ /dev/null @@ -1,41 +0,0 @@ -https://bugs.gentoo.org/571566 - -From 4ab0359a8ae182a7ac5c99609667273167703fab Mon Sep 17 00:00:00 2001 -From: Prasad J Pandit <pjp@fedoraproject.org> -Date: Mon, 11 Jan 2016 14:10:42 -0500 -Subject: [PATCH] ide: ahci: reset ncq object to unused on error - -When processing NCQ commands, AHCI device emulation prepares a -NCQ transfer object; To which an aio control block(aiocb) object -is assigned in 'execute_ncq_command'. In case, when the NCQ -command is invalid, the 'aiocb' object is not assigned, and NCQ -transfer object is left as 'used'. This leads to a use after -free kind of error in 'bdrv_aio_cancel_async' via 'ahci_reset_port'. -Reset NCQ transfer object to 'unused' to avoid it. - -[Maintainer edit: s/ACHI/AHCI/ in the commit message. --js] - -Reported-by: Qinghao Tang <luodalongde@gmail.com> -Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> -Reviewed-by: John Snow <jsnow@redhat.com> -Message-id: 1452282511-4116-1-git-send-email-ppandit@redhat.com -Signed-off-by: John Snow <jsnow@redhat.com> ---- - hw/ide/ahci.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c -index dd1912e..17f1cbd 100644 ---- a/hw/ide/ahci.c -+++ b/hw/ide/ahci.c -@@ -910,6 +910,7 @@ static void ncq_err(NCQTransferState *ncq_tfs) - ide_state->error = ABRT_ERR; - ide_state->status = READY_STAT | ERR_STAT; - ncq_tfs->drive->port_regs.scr_err |= (1 << ncq_tfs->tag); -+ ncq_tfs->used = 0; - } - - static void ncq_finish(NCQTransferState *ncq_tfs) --- -2.6.2 - |