kernel-5.17-0.rc0.20220121gitc2c94b3b187d.73
* Fri Jan 21 2022 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.17-0.rc0.20220121gitc2c94b3b187d.73] - objtool: check: give big enough buffer for pv_ops (Sergei Trofimovich) Resolves: rhbz# Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
This commit is contained in:
Justin M. Forbes
parent
51ecd72040
commit
e6421c472b
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@ -12,7 +12,7 @@ RHEL_MINOR = 99
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#
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# Use this spot to avoid future merge conflicts.
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# Do not trim this comment.
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RHEL_RELEASE = 71
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RHEL_RELEASE = 73
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#
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# Early y+1 numbering
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@ -1,3 +1,6 @@
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https://gitlab.com/cki-project/kernel-ark/-/commit/8783212c76137450007cd397847b20f9ae2634c4
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8783212c76137450007cd397847b20f9ae2634c4 objtool: check: give big enough buffer for pv_ops
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https://gitlab.com/cki-project/kernel-ark/-/commit/c1ee15318f4a2688057fd1aeee6272603d0871f0
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c1ee15318f4a2688057fd1aeee6272603d0871f0 Fixup merge in random.c
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15
kernel.spec
15
kernel.spec
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@ -87,7 +87,7 @@ Summary: The Linux kernel
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# the --with-release option overrides this setting.)
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%define debugbuildsenabled 0
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%global distro_build 0.rc0.20220120gitfa2e1ba3e9e3.71
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%global distro_build 0.rc0.20220121gitc2c94b3b187d.73
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%if 0%{?fedora}
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%define secure_boot_arch x86_64
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@ -132,13 +132,13 @@ Summary: The Linux kernel
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%define rpmversion 5.17.0
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%define patchversion 5.17
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%define pkgrelease 0.rc0.20220120gitfa2e1ba3e9e3.71
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%define pkgrelease 0.rc0.20220121gitc2c94b3b187d.73
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# This is needed to do merge window version magic
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%define patchlevel 17
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# allow pkg_release to have configurable %%{?dist} tag
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%define specrelease 0.rc0.20220120gitfa2e1ba3e9e3.71%{?buildid}%{?dist}
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%define specrelease 0.rc0.20220121gitc2c94b3b187d.73%{?buildid}%{?dist}
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%define pkg_release %{specrelease}
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@ -692,7 +692,7 @@ BuildRequires: lld
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# exact git commit you can run
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#
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# xzcat -qq ${TARBALL} | git get-tar-commit-id
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Source0: linux-5.16-11358-gfa2e1ba3e9e3.tar.xz
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Source0: linux-5.16-11444-gc2c94b3b187d.tar.xz
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Source1: Makefile.rhelver
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@ -1386,8 +1386,8 @@ ApplyOptionalPatch()
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fi
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}
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%setup -q -n kernel-5.16-11358-gfa2e1ba3e9e3 -c
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mv linux-5.16-11358-gfa2e1ba3e9e3 linux-%{KVERREL}
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%setup -q -n kernel-5.16-11444-gc2c94b3b187d -c
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mv linux-5.16-11444-gc2c94b3b187d linux-%{KVERREL}
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cd linux-%{KVERREL}
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cp -a %{SOURCE1} .
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@ -2986,6 +2986,9 @@ fi
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#
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#
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%changelog
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* Fri Jan 21 2022 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.17-0.rc0.20220121gitc2c94b3b187d.73]
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- objtool: check: give big enough buffer for pv_ops (Sergei Trofimovich)
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* Thu Jan 20 2022 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.17-0.rc0.20220120gitfa2e1ba3e9e3.71]
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- Fixup merge in random.c (Justin M. Forbes)
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@ -1,51 +0,0 @@
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From nobody Wed Jan 19 11:56:00 2022
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From: Sergei Trofimovich <slyich@gmail.com>
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To: Peter Zijlstra <peterz@infradead.org>
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Cc: linux-kernel@vger.kernel.org, Sergei Trofimovich <slyich@gmail.com>, Josh Poimboeuf <jpoimboe@redhat.com>
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Subject: [PATCH] objtool: check: give big enough buffer for pv_ops
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Date: Fri, 14 Jan 2022 07:57:56 +0000
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Message-Id: <20220114075756.838243-1-slyich@gmail.com>
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List-ID: <linux-kernel.vger.kernel.org>
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X-Mailing-List: linux-kernel@vger.kernel.org
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MIME-Version: 1.0
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Content-Type: text/plain; charset="utf-8"
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Content-Transfer-Encoding: 7bit
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On gcc-12 build fails flagging possible buffer overflow:
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check.c: In function 'validate_call':
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check.c:2865:58: error: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 9 [-Werror=format-truncation=]
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2865 | snprintf(pvname, sizeof(pvname), "pv_ops[%d]", idx);
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| ^~
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I think it's a valid warning:
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static char pvname[16];
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int idx;
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...
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idx = (rel->addend / sizeof(void *));
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snprintf(pvname, sizeof(pvname), "pv_ops[%d]", idx);
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we have only 7 chars for %d while it could take up to 9.
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CC: Josh Poimboeuf <jpoimboe@redhat.com>
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CC: Peter Zijlstra <peterz@infradead.org>
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---
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tools/objtool/check.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/tools/objtool/check.c b/tools/objtool/check.c
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index 8c1931eab5f1..0fae132ea59f 100644
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--- a/tools/objtool/check.c
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+++ b/tools/objtool/check.c
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@@ -2852,7 +2852,7 @@ static inline bool func_uaccess_safe(struct symbol *func)
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static inline const char *call_dest_name(struct instruction *insn)
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{
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- static char pvname[16];
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+ static char pvname[32];
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struct reloc *rel;
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int idx;
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--
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2.34.1
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@ -72,7 +72,8 @@
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security/lockdown/Kconfig | 13 +
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security/lockdown/lockdown.c | 1 +
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security/security.c | 6 +
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74 files changed, 1512 insertions(+), 188 deletions(-)
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tools/objtool/check.c | 2 +-
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75 files changed, 1513 insertions(+), 189 deletions(-)
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diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
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index f5a27f067db9..f4dc42f2f82a 100644
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@ -3173,3 +3174,16 @@ index 3d4eb474f35b..c02f1aa3ff64 100644
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#ifdef CONFIG_PERF_EVENTS
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int security_perf_event_open(struct perf_event_attr *attr, int type)
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{
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diff --git a/tools/objtool/check.c b/tools/objtool/check.c
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index c2d2ab9a2861..f5bed94e4558 100644
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--- a/tools/objtool/check.c
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+++ b/tools/objtool/check.c
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@@ -2854,7 +2854,7 @@ static inline bool func_uaccess_safe(struct symbol *func)
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static inline const char *call_dest_name(struct instruction *insn)
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{
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- static char pvname[16];
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+ static char pvname[32];
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struct reloc *rel;
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int idx;
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6
sources
6
sources
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@ -1,3 +1,3 @@
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SHA512 (linux-5.16-11358-gfa2e1ba3e9e3.tar.xz) = fcfa8b889916b1e009a195447f36cdb51ac75df0a5ed42b15863a5694241c6b28de01be67a404f3fc7c46fe5d63b1fc671bde0ea6dd9f57123d3f579bcaad1c4
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SHA512 (kernel-abi-stablelists-5.17.0-0.rc0.20220120gitfa2e1ba3e9e3.71.tar.bz2) = a8ded5de4c5f94e38fb46edc0f7e16d62cb5cfc459916cc80f0a22efc5e365c549cdafd8ceb717170b48cbd644dac4b93c85c3ae84ca5c8cf9419e6a894bbd9a
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SHA512 (kernel-kabi-dw-5.17.0-0.rc0.20220120gitfa2e1ba3e9e3.71.tar.bz2) = 053742e0a4246c097474679f4689c04cb0cfaf8eecfcfd8c6a77f39b42e785193b132d365c4bd4d26f7b5d73c453f6aceba15332df97b183b592ce810d3ba03e
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SHA512 (linux-5.16-11444-gc2c94b3b187d.tar.xz) = 783132284701cd1114fb15f9ef2b379fcf1bae874a5c1b8b6e6f4b3ac250fd4bf621372c97513eb8174ebee5067dc294e0e031eee95aeac7dcb78cf6462aa323
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SHA512 (kernel-abi-stablelists-5.17.0-0.rc0.20220121gitc2c94b3b187d.73.tar.bz2) = d23e8b2705394193d8a93fe94866e570a515e638fbd78e72aeaebb66333f17d442cb1c75e419c8d9187d560e70b8683302a248e42f7c20ad80d6ef6f39e9a0f0
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SHA512 (kernel-kabi-dw-5.17.0-0.rc0.20220121gitc2c94b3b187d.73.tar.bz2) = a570f47acd8d0af11b8684536269cfdb6f64051c7a8c419ee1a42297b4cdabc770877eee97e37596f35e8a46e0e81a2bd67461abd4380df988c08fcadbf84cb6
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