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author | Renato Botelho <renato@netgate.com> | 2019-02-14 17:21:06 -0200 |
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committer | Renato Botelho <renato@netgate.com> | 2019-02-14 17:21:06 -0200 |
commit | ff7d4801f1b88de656e028209818ff005e8a1353 (patch) | |
tree | 0c9e98adb285dbb3e62bf0c6afb11ee3d92d4f42 | |
parent | 65dfac376f4a35c53056703461cf009324c73545 (diff) | |
parent | fa113e14a11a28421ac7613ac726034e329e1133 (diff) | |
download | FreeBSD-src-ff7d4801f1b88de656e028209818ff005e8a1353.zip FreeBSD-src-ff7d4801f1b88de656e028209818ff005e8a1353.tar.gz |
Merge remote-tracking branch 'origin/releng/11.2' into RELENG_2_4_4
-rw-r--r-- | UPDATING | 5 | ||||
-rw-r--r-- | sys/amd64/amd64/exception.S | 6 | ||||
-rw-r--r-- | sys/conf/newvers.sh | 2 |
3 files changed, 10 insertions, 3 deletions
@@ -16,6 +16,11 @@ from older versions of FreeBSD, try WITHOUT_CLANG and WITH_GCC to bootstrap to the tip of head, and then rebuild without this option. The bootstrap process from older version of current across the gcc/clang cutover is a bit fragile. +20190205 p9 FreeBSD-SA-19:01.syscall + + amd64: clear callee-preserved registers on syscall exit + [SA-19:01.syscall] + 20190109 p8 FreeBSD-EN-19:03.sqlite FreeBSD-EN-19:04.tzdata FreeBSD-EN-19:05.kqueue diff --git a/sys/amd64/amd64/exception.S b/sys/amd64/amd64/exception.S index b7e88e6..c35cea9 100644 --- a/sys/amd64/amd64/exception.S +++ b/sys/amd64/amd64/exception.S @@ -496,12 +496,14 @@ fast_syscall_common: movq TF_RFLAGS(%rsp),%r11 /* original %rflags */ movq TF_RIP(%rsp),%rcx /* original %rip */ movq TF_RSP(%rsp),%rsp /* user stack pointer */ + xorl %r8d,%r8d /* zero the rest of GPRs */ + xorl %r10d,%r10d cmpb $0,pti je 2f movq PCPU(UCR3),%r9 movq %r9,%cr3 - xorl %r9d,%r9d -2: swapgs +2: xorl %r9d,%r9d + swapgs sysretq 3: /* AST scheduled. */ diff --git a/sys/conf/newvers.sh b/sys/conf/newvers.sh index 041b548..5da6827 100644 --- a/sys/conf/newvers.sh +++ b/sys/conf/newvers.sh @@ -44,7 +44,7 @@ TYPE="FreeBSD" REVISION="11.2" -BRANCH="RELEASE-p8" +BRANCH="RELEASE-p9" if [ -n "${BRANCH_OVERRIDE}" ]; then BRANCH=${BRANCH_OVERRIDE} fi |