All of lore.kernel.org
 help / color / mirror / Atom feed
From: kbuild test robot <lkp@intel.com>
To: Alexandre Chartre <alexandre.chartre@oracle.com>, x86@kernel.org
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	jpoimboe@redhat.com, peterz@infradead.org, jthierry@redhat.com,
	tglx@linutronix.de, alexandre.chartre@oracle.com
Subject: Re: [PATCH V3 6/9] objtool: Report inconsistent stack changes in alternative
Date: Wed, 15 Apr 2020 07:09:04 +0800	[thread overview]
Message-ID: <202004150739.gktRKTKO%lkp@intel.com> (raw)
In-Reply-To: <20200414103618.12657-7-alexandre.chartre@oracle.com>

[-- Attachment #1: Type: text/plain, Size: 2817 bytes --]

Hi Alexandre,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/auto-latest]
[also build test WARNING on linus/master v5.7-rc1 next-20200414]
[cannot apply to tip/x86/core linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Alexandre-Chartre/objtool-changes-to-check-retpoline-code/20200415-015312
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 354a2fb98a37f696a1cffdc58dbff48a02e7c611
config: x86_64-randconfig-g003-20200414 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> kernel/trace/trace_branch.o: warning: objtool: ftrace_likely_update()+0x4: error in alternative
>> kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x0: in alternative 1
>> kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x1: invalid alternative state
   kernel/trace/trace_branch.o: warning: objtool: ftrace_likely_update()+0x21: error in alternative
   kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x5: in alternative 1
   kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x6: invalid alternative state
--
>> lib/ubsan.o: warning: objtool: ubsan_type_mismatch_common()+0xc: error in alternative
>> lib/ubsan.o: warning: objtool: .altinstr_replacement+0x0: in alternative 1
>> lib/ubsan.o: warning: objtool: .altinstr_replacement+0x1: invalid alternative state
   lib/ubsan.o: warning: objtool: ubsan_type_mismatch_common()+0x10a: error in alternative
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0x6: in alternative 1
>> lib/ubsan.o: warning: objtool: .altinstr_replacement+0x8: misaligned alternative state change
>> lib/ubsan.o: warning: objtool: __ubsan_handle_shift_out_of_bounds()+0x2b: error in alternative
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0x9: in alternative 1
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0xa: invalid alternative state
   lib/ubsan.o: warning: objtool: __ubsan_handle_shift_out_of_bounds()+0x103: error in alternative
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0xf: in alternative 1
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0x11: misaligned alternative state change

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 32811 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH V3 6/9] objtool: Report inconsistent stack changes in alternative
Date: Wed, 15 Apr 2020 07:09:04 +0800	[thread overview]
Message-ID: <202004150739.gktRKTKO%lkp@intel.com> (raw)
In-Reply-To: <20200414103618.12657-7-alexandre.chartre@oracle.com>

[-- Attachment #1: Type: text/plain, Size: 2866 bytes --]

Hi Alexandre,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/auto-latest]
[also build test WARNING on linus/master v5.7-rc1 next-20200414]
[cannot apply to tip/x86/core linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Alexandre-Chartre/objtool-changes-to-check-retpoline-code/20200415-015312
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 354a2fb98a37f696a1cffdc58dbff48a02e7c611
config: x86_64-randconfig-g003-20200414 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> kernel/trace/trace_branch.o: warning: objtool: ftrace_likely_update()+0x4: error in alternative
>> kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x0: in alternative 1
>> kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x1: invalid alternative state
   kernel/trace/trace_branch.o: warning: objtool: ftrace_likely_update()+0x21: error in alternative
   kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x5: in alternative 1
   kernel/trace/trace_branch.o: warning: objtool: .altinstr_replacement+0x6: invalid alternative state
--
>> lib/ubsan.o: warning: objtool: ubsan_type_mismatch_common()+0xc: error in alternative
>> lib/ubsan.o: warning: objtool: .altinstr_replacement+0x0: in alternative 1
>> lib/ubsan.o: warning: objtool: .altinstr_replacement+0x1: invalid alternative state
   lib/ubsan.o: warning: objtool: ubsan_type_mismatch_common()+0x10a: error in alternative
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0x6: in alternative 1
>> lib/ubsan.o: warning: objtool: .altinstr_replacement+0x8: misaligned alternative state change
>> lib/ubsan.o: warning: objtool: __ubsan_handle_shift_out_of_bounds()+0x2b: error in alternative
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0x9: in alternative 1
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0xa: invalid alternative state
   lib/ubsan.o: warning: objtool: __ubsan_handle_shift_out_of_bounds()+0x103: error in alternative
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0xf: in alternative 1
   lib/ubsan.o: warning: objtool: .altinstr_replacement+0x11: misaligned alternative state change

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 32811 bytes --]

  parent reply	other threads:[~2020-04-14 23:13 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-14 10:36 [PATCH V3 0/9] objtool changes to check retpoline code Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 1/9] objtool: is_fentry_call() crashes if call has no destination Alexandre Chartre
2020-05-01 18:22   ` [tip: objtool/core] " tip-bot2 for Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 2/9] objtool: Allow branches within the same alternative Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 3/9] objtool: Add support for intra-function calls Alexandre Chartre
2020-04-14 12:07   ` Julien Thierry
2020-04-16 12:12   ` Miroslav Benes
2020-05-01 18:22   ` [tip: objtool/core] " tip-bot2 for Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 4/9] objtool: Handle return instruction with intra-function call Alexandre Chartre
2020-04-14 13:44   ` Julien Thierry
2020-04-14 10:36 ` [PATCH V3 5/9] objtool: Add return address unwind hints Alexandre Chartre
2020-04-14 16:16   ` Peter Zijlstra
2020-04-14 16:40     ` Alexandre Chartre
2020-04-14 17:56       ` Peter Zijlstra
2020-04-14 18:31         ` Alexandre Chartre
2020-04-14 18:42           ` Peter Zijlstra
2020-04-14 19:27             ` Alexandre Chartre
2020-04-14 19:48               ` Peter Zijlstra
2020-04-14 10:36 ` [PATCH V3 6/9] objtool: Report inconsistent stack changes in alternative Alexandre Chartre
2020-04-14 15:35   ` Julien Thierry
2020-04-14 22:41   ` kbuild test robot
2020-04-14 22:41     ` kbuild test robot
2020-04-14 23:09   ` kbuild test robot [this message]
2020-04-14 23:09     ` kbuild test robot
2020-04-16 14:18   ` Peter Zijlstra
2020-04-16 14:43     ` Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 7/9] x86/speculation: Change __FILL_RETURN_BUFFER to work with objtool Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 8/9] x86/speculation: Add return address unwind hints to retpoline and RSB stuffing Alexandre Chartre
2020-04-14 10:36 ` [PATCH V3 9/9] x86/speculation: Annotate intra-function calls Alexandre Chartre

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202004150739.gktRKTKO%lkp@intel.com \
    --to=lkp@intel.com \
    --cc=alexandre.chartre@oracle.com \
    --cc=jpoimboe@redhat.com \
    --cc=jthierry@redhat.com \
    --cc=kbuild-all@lists.01.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.