qemu-kvm/kvm-s390x-tcg-Fix-BRASL-with-a-large-negative-offset.patch
Jon Maloy df4dbb6cf8 * Wed May 24 2023 Jon Maloy <jmaloy@redhat.com> - 6.2.0-35
- kvm-virtiofsd-Add-basic-support-for-FUSE_SYNCFS-request.patch [bz#2196880]
- kvm-s390-kvm-adjust-diag318-resets-to-retain-data.patch [bz#2169308]
- kvm-target-s390x-Fix-SLDA-sign-bit-index.patch [bz#2169308]
- kvm-target-s390x-Fix-SRDA-CC-calculation.patch [bz#2169308]
- kvm-target-s390x-Fix-cc_calc_sla_64-missing-overflows.patch [bz#2169308]
- kvm-target-s390x-Fix-shifting-32-bit-values-for-more-tha.patch [bz#2169308]
- kvm-s390x-sigp-Reorder-the-SIGP-STOP-code.patch [bz#2169308]
- kvm-s390x-tcg-Fix-BRASL-with-a-large-negative-offset.patch [bz#2169308]
- kvm-s390x-tcg-Fix-BRCL-with-a-large-negative-offset.patch [bz#2169308]
- kvm-target-s390x-Fix-determination-of-overflow-condition.patch [bz#2169308]
- kvm-target-s390x-Fix-determination-of-overflow-conditioo.patch [bz#2169308]
- kvm-s390x-follow-qdev-tree-to-detect-SCSI-device-on-a-CC.patch [bz#2169308]
- kvm-target-s390x-Fix-the-accumulation-of-ccm-in-op_icm.patch [bz#2169308]
- kvm-target-s390x-Fix-writeback-to-v1-in-helper_vstl.patch [bz#2169308]
- kvm-target-s390x-fix-handling-of-zeroes-in-vfmin-vfmax.patch [bz#2169308]
- kvm-target-s390x-Fix-CLFIT-and-CLGIT-immediate-size.patch [bz#2169308]
- kvm-s390x-tcg-Fix-opcode-for-lzrf.patch [bz#2169308]
- kvm-target-s390x-Fix-emulation-of-the-VISTR-instruction.patch [bz#2169308]
- kvm-s390x-css-revert-SCSW-ctrl-flag-bits-on-error.patch [bz#2169308]
- kvm-target-s390x-tcg-Fix-and-improve-the-SACF-instructio.patch [bz#2169308]
- kvm-target-s390x-tcg-mem_helper-Test-the-right-bits-in-p.patch [bz#2169308]
- Resolves: bz#2196880
  ([virtiofs] Backport FUSE_SYNCFS support)
- Resolves: bz#2169308
  (Backport latest s390x-related fixes from upstream QEMU for qemu-kvm in RHEL 8.9)
2023-05-24 18:04:22 +00:00

55 lines
2.1 KiB
Diff

From f8e6ee7bc393ab47d608bd384011ba534d66776e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= <clg@redhat.com>
Date: Tue, 23 May 2023 12:34:33 +0200
Subject: [PATCH 08/21] s390x/tcg: Fix BRASL with a large negative offset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Cédric Le Goater <clg@redhat.com>
RH-MergeRequest: 279: Backport latest s390x-related fixes from upstream QEMU for qemu-kvm in RHEL 8.9
RH-Bugzilla: 2169308
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Commit: [7/20] f2eb97bf300afcb440cd5dc6d398ce7ad34f1db9
Bugzilla: https://bugzilla.redhat.com/2169308
commit fc3dd86a290a9c7c3c3273961b03058ae8f1d49f
Author: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Mon Mar 14 11:42:30 2022 +0100
s390x/tcg: Fix BRASL with a large negative offset
When RI2 is 0x80000000, qemu enters an infinite loop instead of jumping
backwards. Fix by adding a missing cast, like in in2_ri2().
Fixes: 8ac33cdb8bfb ("Convert BRANCH AND SAVE")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20220314104232.675863-2-iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
target/s390x/tcg/translate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index b14e6a04a7..8147d952df 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -1567,7 +1567,7 @@ static DisasJumpType op_bal(DisasContext *s, DisasOps *o)
static DisasJumpType op_basi(DisasContext *s, DisasOps *o)
{
pc_to_link_info(o->out, s, s->pc_tmp);
- return help_goto_direct(s, s->base.pc_next + 2 * get_field(s, i2));
+ return help_goto_direct(s, s->base.pc_next + (int64_t)get_field(s, i2) * 2);
}
static DisasJumpType op_bc(DisasContext *s, DisasOps *o)
--
2.37.3