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Date: Tue, 16 Aug 2022 12:19:50 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: kbuild-all@...ts.01.org, Ammar Faizi <ammarfaizi2@...weeb.org>,
GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: [ammarfaizi2-block:tglx/devel/depthtracking 33/59] vmlinux.o:
warning: objtool: __asan_store16+0xc6: return with UACCESS disabled from a
UACCESS-safe function
tree: https://github.com/ammarfaizi2/linux-block tglx/devel/depthtracking
head: 9bbf33b92f4c755dd56f4d9bc1b40e94fdd1fff7
commit: c5803edfd11acd1bb56cd1878381c0c8b0902828 [33/59] objtool: Fix find_{symbol,func}_containing()
config: x86_64-randconfig-m001-20220815 (https://download.01.org/0day-ci/archive/20220816/202208161228.E0YHsmq2-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/ammarfaizi2/linux-block/commit/c5803edfd11acd1bb56cd1878381c0c8b0902828
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block tglx/devel/depthtracking
git checkout c5803edfd11acd1bb56cd1878381c0c8b0902828
# 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: __asan_store16+0xc6: return with UACCESS disabled from a UACCESS-safe function
>> vmlinux.o: warning: objtool: __asan_load16+0xb8: return with UACCESS disabled from a UACCESS-safe function
vmlinux.o: warning: objtool: __asan_store8_noabort+0xd4: return with UACCESS enabled
>> vmlinux.o: warning: objtool: __asan_load8+0xce: return with UACCESS disabled from a UACCESS-safe function
>> vmlinux.o: warning: objtool: __asan_store4+0xda: return with UACCESS disabled from a UACCESS-safe function
>> vmlinux.o: warning: objtool: __asan_load4+0xd4: return with UACCESS disabled from a UACCESS-safe function
vmlinux.o: warning: objtool: __asan_store2_noabort+0xc8: return with UACCESS enabled
>> vmlinux.o: warning: objtool: __asan_load2+0xc2: return with UACCESS disabled from a UACCESS-safe function
>> vmlinux.o: warning: objtool: __asan_store1+0xbb: return with UACCESS disabled from a UACCESS-safe function
vmlinux.o: warning: objtool: __asan_load1_noabort+0xb5: return with UACCESS enabled
>> vmlinux.o: warning: objtool: __asan_storeN+0x34: return with UACCESS disabled from a UACCESS-safe function
vmlinux.o: warning: objtool: __asan_loadN_noabort+0x31: return with UACCESS enabled
objdump-func vmlinux.o __asan_store16:
0000 00000000008cb8c0 <__asan_store16>:
0000 8cb8c0: f3 0f 1e fa endbr64
0004 8cb8c4: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb8cc <__asan_store16+0xc> 8cb8c7: R_X86_64_PC32 .bss+0xe7439b
000c 8cb8cc: 48 8b 0c 24 mov (%rsp),%rcx
0010 8cb8d0: 48 83 ff ef cmp $0xffffffffffffffef,%rdi
0014 8cb8d4: 0f 87 83 00 00 00 ja 8cb95d <__asan_store16+0x9d>
001a 8cb8da: 48 b8 ff ff ff ff ff 7f ff ff movabs $0xffff7fffffffffff,%rax
0024 8cb8e4: 48 39 c7 cmp %rax,%rdi
0027 8cb8e7: 0f 86 9b 00 00 00 jbe 8cb988 <__asan_store16+0xc8>
002d 8cb8ed: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax
0037 8cb8f7: 48 89 fa mov %rdi,%rdx
003a 8cb8fa: 48 c1 ea 03 shr $0x3,%rdx
003e 8cb8fe: 0f b7 14 02 movzwl (%rdx,%rax,1),%edx
0042 8cb902: 40 f6 c7 07 test $0x7,%dil
0046 8cb906: 75 19 jne 8cb921 <__asan_store16+0x61>
0048 8cb908: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb910 <__asan_store16+0x50> 8cb90b: R_X86_64_PC32 .bss+0xe743cb
0050 8cb910: 66 85 d2 test %dx,%dx
0053 8cb913: 75 1d jne 8cb932 <__asan_store16+0x72>
0055 8cb915: 31 c0 xor %eax,%eax
0057 8cb917: 31 d2 xor %edx,%edx
0059 8cb919: 31 c9 xor %ecx,%ecx
005b 8cb91b: 31 f6 xor %esi,%esi
005d 8cb91d: 31 ff xor %edi,%edi
005f 8cb91f: c3 ret
0060 8cb920: cc int3
0061 8cb921: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb929 <__asan_store16+0x69> 8cb924: R_X86_64_PC32 .bss+0xe743c3
0069 8cb929: 66 85 d2 test %dx,%dx
006c 8cb92c: 0f 84 81 00 00 00 je 8cb9b3 <__asan_store16+0xf3>
0072 8cb932: ba 01 00 00 00 mov $0x1,%edx
0077 8cb937: be 10 00 00 00 mov $0x10,%esi
007c 8cb93c: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb944 <__asan_store16+0x84> 8cb93f: R_X86_64_PC32 .bss+0xe743eb
0084 8cb944: e8 00 00 00 00 call 8cb949 <__asan_store16+0x89> 8cb945: R_X86_64_PLT32 kasan_report-0x4
0089 8cb949: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb951 <__asan_store16+0x91> 8cb94c: R_X86_64_PC32 .bss+0xe743f3
0091 8cb951: 31 c0 xor %eax,%eax
0093 8cb953: 31 d2 xor %edx,%edx
0095 8cb955: 31 c9 xor %ecx,%ecx
0097 8cb957: 31 f6 xor %esi,%esi
0099 8cb959: 31 ff xor %edi,%edi
009b 8cb95b: c3 ret
009c 8cb95c: cc int3
009d 8cb95d: ba 01 00 00 00 mov $0x1,%edx
00a2 8cb962: be 10 00 00 00 mov $0x10,%esi
00a7 8cb967: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb96f <__asan_store16+0xaf> 8cb96a: R_X86_64_PC32 .bss+0xe743a3
00af 8cb96f: e8 00 00 00 00 call 8cb974 <__asan_store16+0xb4> 8cb970: R_X86_64_PLT32 kasan_report-0x4
00b4 8cb974: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb97c <__asan_store16+0xbc> 8cb977: R_X86_64_PC32 .bss+0xe743ab
00bc 8cb97c: 31 c0 xor %eax,%eax
00be 8cb97e: 31 d2 xor %edx,%edx
00c0 8cb980: 31 c9 xor %ecx,%ecx
00c2 8cb982: 31 f6 xor %esi,%esi
00c4 8cb984: 31 ff xor %edi,%edi
00c6 8cb986: c3 ret
00c7 8cb987: cc int3
00c8 8cb988: ba 01 00 00 00 mov $0x1,%edx
00cd 8cb98d: be 10 00 00 00 mov $0x10,%esi
00d2 8cb992: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb99a <__asan_store16+0xda> 8cb995: R_X86_64_PC32 .bss+0xe743b3
00da 8cb99a: e8 00 00 00 00 call 8cb99f <__asan_store16+0xdf> 8cb99b: R_X86_64_PLT32 kasan_report-0x4
00df 8cb99f: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb9a7 <__asan_store16+0xe7> 8cb9a2: R_X86_64_PC32 .bss+0xe743bb
00e7 8cb9a7: 31 c0 xor %eax,%eax
00e9 8cb9a9: 31 d2 xor %edx,%edx
00eb 8cb9ab: 31 c9 xor %ecx,%ecx
00ed 8cb9ad: 31 f6 xor %esi,%esi
00ef 8cb9af: 31 ff xor %edi,%edi
00f1 8cb9b1: c3 ret
00f2 8cb9b2: cc int3
00f3 8cb9b3: 48 8d 57 0f lea 0xf(%rdi),%rdx
00f7 8cb9b7: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb9bf <__asan_store16+0xff> 8cb9ba: R_X86_64_PC32 .bss+0xe743d3
00ff 8cb9bf: 48 89 d6 mov %rdx,%rsi
0102 8cb9c2: 48 c1 ee 03 shr $0x3,%rsi
0106 8cb9c6: 0f b6 04 06 movzbl (%rsi,%rax,1),%eax
010a 8cb9ca: 84 c0 test %al,%al
010c 8cb9cc: 0f 84 43 ff ff ff je 8cb915 <__asan_store16+0x55>
0112 8cb9d2: 83 e2 07 and $0x7,%edx
0115 8cb9d5: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb9dd <__asan_store16+0x11d> 8cb9d8: R_X86_64_PC32 .bss+0xe743db
011d 8cb9dd: 38 d0 cmp %dl,%al
011f 8cb9df: 0f 8f 30 ff ff ff jg 8cb915 <__asan_store16+0x55>
0125 8cb9e5: 48 83 05 00 00 00 00 01 addq $0x1,0x0(%rip) # 8cb9ed <__asan_store16+0x12d> 8cb9e8: R_X86_64_PC32 .bss+0xe743e3
012d 8cb9ed: e9 40 ff ff ff jmp 8cb932 <__asan_store16+0x72>
0132 8cb9f2: 66 66 2e 0f 1f 84 00 00 00 00 00 data16 cs nopw 0x0(%rax,%rax,1)
013d 8cb9fd: 0f 1f 00 nopl (%rax)
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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