Messages in this thread | | | Date | Wed, 13 Oct 2021 09:12:43 +0800 | From | kernel test robot <> | Subject | [peterz-queue:objtool/core 33/37] vmlinux.o: warning: objtool: do_int80_syscall_32()+0x60: return with modified stack frame |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git objtool/core head: 2c2219e14a94c00327f7dcdfe141a56e27471dd4 commit: 6726f6822d013fe79fe9ceb4c48ce0f514e535f7 [33/37] objtool,x86: Use mergable sections config: x86_64-randconfig-a006-20211012 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=6726f6822d013fe79fe9ceb4c48ce0f514e535f7 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue objtool/core git checkout 6726f6822d013fe79fe9ceb4c48ce0f514e535f7 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: do_int80_syscall_32()+0x60: return with modified stack frame >> vmlinux.o: warning: objtool: .altinstr_replacement.ffd0+0x2: stack state mismatch: reg1[3]=-2-32 reg2[3]=-1+0 >> vmlinux.o: warning: objtool: do_int80_syscall_32()+0x52: stack state mismatch: reg1[3]=-2-32 reg2[3]=-1+0
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