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Date: Tue, 30 Aug 2022 18:33:59 +0800
From: kernel test robot <lkp@...el.com>
To: Isaku Yamahata <isaku.yamahata@...el.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [intel-tdx:kvm-upstream-workaround 186/314] vmlinux.o: warning:
objtool: vmw_port_hb_in+0x114: stack state mismatch: cfa1=5+16 cfa2=4+8
Hi Isaku,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://github.com/intel/tdx.git kvm-upstream-workaround
head: 552dd80c48f67ca01bcdd10667e0c11efd375177
commit: 9d5abec402aef6791b3a57d9cefe3cad2dcd2cb9 [186/314] [REVERTME] fix undefined symbol of cc_init
config: x86_64-randconfig-a002-20220829 (https://download.01.org/0day-ci/archive/20220830/202208301832.2HlmZGf8-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel/tdx/commit/9d5abec402aef6791b3a57d9cefe3cad2dcd2cb9
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx kvm-upstream-workaround
git checkout 9d5abec402aef6791b3a57d9cefe3cad2dcd2cb9
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: vmw_port_hb_in+0x114: stack state mismatch: cfa1=5+16 cfa2=4+8
>> vmlinux.o: warning: objtool: vmw_port_hb_out+0x11a: stack state mismatch: cfa1=5+16 cfa2=4+8
objdump-func vmlinux.o vmw_port_hb_in:
0000 000000000098e34a <vmw_port_hb_in>:
0000 98e34a: 55 push %rbp
0001 98e34b: 48 89 e5 mov %rsp,%rbp
0004 98e34e: 41 57 push %r15
0006 98e350: 49 89 f7 mov %rsi,%r15
0009 98e353: 41 56 push %r14
000b 98e355: 41 55 push %r13
000d 98e357: 49 89 fd mov %rdi,%r13
0010 98e35a: 41 54 push %r12
0012 98e35c: 49 89 d4 mov %rdx,%r12
0015 98e35f: 53 push %rbx
0016 98e360: 48 83 ec 10 sub $0x10,%rsp
001a 98e364: 65 48 8b 04 25 28 00 00 00 mov %gs:0x28,%rax
0023 98e36d: 48 89 45 d0 mov %rax,-0x30(%rbp)
0027 98e371: 31 c0 xor %eax,%eax
0029 98e373: 84 c9 test %cl,%cl
002b 98e375: 75 24 jne 98e39b <vmw_port_hb_in+0x51>
002d 98e377: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e37e <vmw_port_hb_in+0x34> 98e37a: R_X86_64_PC32 .bss+0x113a6d4
0034 98e37e: b8 00 00 01 00 mov $0x10000,%eax
0039 98e383: 4c 8d 4d c8 lea -0x38(%rbp),%r9
003d 98e387: 41 be 68 58 4d 56 mov $0x564d5868,%r14d
0043 98e38d: 41 bb 01 00 00 00 mov $0x1,%r11d
0049 98e393: 41 ba 1e 00 04 00 mov $0x4001e,%r10d
004f 98e399: eb 76 jmp 98e411 <vmw_port_hb_in+0xc7>
0051 98e39b: 31 ff xor %edi,%edi
0053 98e39d: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e3a4 <vmw_port_hb_in+0x5a> 98e3a0: R_X86_64_PC32 .bss+0x113a6bc
005a 98e3a4: e8 00 00 00 00 call 98e3a9 <vmw_port_hb_in+0x5f> 98e3a5: R_X86_64_PLT32 cc_platform_has-0x4
005f 98e3a9: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e3b0 <vmw_port_hb_in+0x66> 98e3ac: R_X86_64_PC32 .bss+0x113a6c4
0066 98e3b0: 84 c0 test %al,%al
0068 98e3b2: 75 c3 jne 98e377 <vmw_port_hb_in+0x2d>
006a 98e3b4: 41 0f b7 55 00 movzwl 0x0(%r13),%edx
006f 98e3b9: 41 8b 75 04 mov 0x4(%r13),%esi
0073 98e3bd: 4c 89 e1 mov %r12,%rcx
0076 98e3c0: 4c 89 ff mov %r15,%rdi
0079 98e3c3: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e3ca <vmw_port_hb_in+0x80> 98e3c6: R_X86_64_PC32 .bss+0x113a6cc
0080 98e3ca: 45 8b 45 08 mov 0x8(%r13),%r8d
0084 98e3ce: b8 68 58 4d 56 mov $0x564d5868,%eax
0089 98e3d3: bb 00 00 01 00 mov $0x10000,%ebx
008e 98e3d8: c1 e2 10 shl $0x10,%edx
0091 98e3db: 83 ca 01 or $0x1,%edx
0094 98e3de: 55 push %rbp
0095 98e3df: 4c 89 c5 mov %r8,%rbp
0098 98e3e2: 66 ba 59 56 mov $0x5659,%dx
009c 98e3e6: f3 6c rep insb (%dx),%es:(%rdi)
009e 98e3e8: 5d pop %rbp
009f 98e3e9: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e3f0 <vmw_port_hb_in+0xa6> 98e3ec: R_X86_64_PC32 .bss+0x113a6dc
00a6 98e3f0: 48 89 d8 mov %rbx,%rax
00a9 98e3f3: 48 89 5d c8 mov %rbx,-0x38(%rbp)
00ad 98e3f7: eb 65 jmp 98e45e <vmw_port_hb_in+0x114>
00af 98e3f9: 4c 89 ff mov %r15,%rdi
00b2 98e3fc: 44 89 c1 mov %r8d,%ecx
00b5 98e3ff: 4c 89 ce mov %r9,%rsi
00b8 98e402: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e409 <vmw_port_hb_in+0xbf> 98e405: R_X86_64_PC32 .bss+0x113a71c
00bf 98e409: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
00c1 98e40b: 4d 29 c4 sub %r8,%r12
00c4 98e40e: 4d 01 c7 add %r8,%r15
00c7 98e411: 4d 85 e4 test %r12,%r12
00ca 98e414: 74 41 je 98e457 <vmw_port_hb_in+0x10d>
00cc 98e416: 41 0f b7 55 00 movzwl 0x0(%r13),%edx
00d1 98e41b: 41 8b 75 04 mov 0x4(%r13),%esi
00d5 98e41f: 44 89 f0 mov %r14d,%eax
00d8 98e422: 44 89 db mov %r11d,%ebx
00db 98e425: 41 b8 04 00 00 00 mov $0x4,%r8d
00e1 98e42b: 41 8b 7d 08 mov 0x8(%r13),%edi
00e5 98e42f: 44 89 d1 mov %r10d,%ecx
00e8 98e432: 4d 39 c4 cmp %r8,%r12
00eb 98e435: 4d 0f 46 c4 cmovbe %r12,%r8
00ef 98e439: c1 e2 10 shl $0x10,%edx
00f2 98e43c: 66 ba 58 56 mov $0x5658,%dx
00f6 98e440: ed in (%dx),%eax
00f7 98e441: 0f ba e1 10 bt $0x10,%ecx
00fb 98e445: 48 89 5d c8 mov %rbx,-0x38(%rbp)
00ff 98e449: 48 89 c8 mov %rcx,%rax
0102 98e44c: 72 ab jb 98e3f9 <vmw_port_hb_in+0xaf>
0104 98e44e: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e455 <vmw_port_hb_in+0x10b> 98e451: R_X86_64_PC32 .bss+0x113a6e4
010b 98e455: eb 07 jmp 98e45e <vmw_port_hb_in+0x114>
010d 98e457: 48 ff 05 00 00 00 00 incq 0x0(%rip) # 98e45e <vmw_port_hb_in+0x114> 98e45a: R_X86_64_PC32 .bss+0x113a724
0114 98e45e: 48 8b 55 d0 mov -0x30(%rbp),%rdx
0118 98e462: 65 48 2b 14 25 28 00 00 00 sub %gs:0x28,%rdx
0121 98e46b: 74 05 je 98e472 <vmw_port_hb_in+0x128>
0123 98e46d: e8 00 00 00 00 call 98e472 <vmw_port_hb_in+0x128> 98e46e: R_X86_64_PLT32 __stack_chk_fail-0x4
0128 98e472: 5a pop %rdx
0129 98e473: 59 pop %rcx
012a 98e474: 5b pop %rbx
012b 98e475: 41 5c pop %r12
012d 98e477: 41 5d pop %r13
012f 98e479: 41 5e pop %r14
0131 98e47b: 41 5f pop %r15
0133 98e47d: 5d pop %rbp
0134 98e47e: 31 d2 xor %edx,%edx
0136 98e480: 31 c9 xor %ecx,%ecx
0138 98e482: 31 f6 xor %esi,%esi
013a 98e484: 31 ff xor %edi,%edi
013c 98e486: 45 31 c0 xor %r8d,%r8d
013f 98e489: 45 31 c9 xor %r9d,%r9d
0142 98e48c: 45 31 d2 xor %r10d,%r10d
0145 98e48f: 45 31 db xor %r11d,%r11d
0148 98e492: c3 ret
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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