linux-kernel - [linux-stable-rc:linux-4.14.y 9736/9999] drivers/media/usb/ttusb-dec/ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x151: sibling call from callable instruction with modified stack frame

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Message-ID: <202108091043.q9nLsGr5-lkp@intel.com>
Date:   Mon, 9 Aug 2021 10:52:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jan Beulich <JBeulich@...e.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [linux-stable-rc:linux-4.14.y 9736/9999]
 drivers/media/usb/ttusb-dec/ttusb_dec.o: warning: objtool:
 ttusb_dec_process_urb_frame_list()+0x151: sibling call from callable
 instruction with modified stack frame

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
head:   4416c389d63e76d897a5788f6145f08522cf58b4
commit: 200e0ef9492db39e87343d5d89ce24535347ea1e [9736/9999] x86/asm: Add instruction suffixes to bitops
config: x86_64-randconfig-a003-20210809 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=200e0ef9492db39e87343d5d89ce24535347ea1e
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.14.y
        git checkout 200e0ef9492db39e87343d5d89ce24535347ea1e
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash LDFLAGS=-z max-page-size=0x200000  drivers/media/

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

All warnings (new ones prefixed by >>):

>> drivers/media/usb/ttusb-dec/ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x151: sibling call from callable instruction with modified stack frame

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

Download attachment ".config.gz" of type "application/gzip" (32659 bytes)