* mm/pgtable-generic.o: warning: objtool: pte_offset_map_nolock+0x161: stack state mismatch: cfa1=4+72 cfa2=-1+0
@ 2024-01-05 4:29 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-01-05 4:29 UTC (permalink / raw)
Cc: oe-kbuild-all, llvm
CC: linux-kernel@vger.kernel.org
TO: Hugh Dickins <hughd@google.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0
commit: 0d940a9b270b9220dcff74d8e9123c9788365751 mm/pgtable: allow pte_offset_map[_lock]() to fail
date: 7 months ago
config: x86_64-buildonly-randconfig-005-20240105 (https://download.01.org/0day-ci/archive/20240105/202401051229.g7mWjgi2-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240105/202401051229.g7mWjgi2-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401051229.g7mWjgi2-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> mm/pgtable-generic.o: warning: objtool: pte_offset_map_nolock+0x161: stack state mismatch: cfa1=4+72 cfa2=-1+0
mm/pgtable-generic.o: warning: objtool: pte_offset_map_nolock+0x18c: unknown CFA base reg -1
objdump-func vmlinux.o pte_offset_map_nolock:
0000 0000000000467700 <pte_offset_map_nolock>:
0000 467700: 55 push %rbp
0001 467701: 41 57 push %r15
0003 467703: 41 56 push %r14
0005 467705: 41 55 push %r13
0007 467707: 41 54 push %r12
0009 467709: 53 push %rbx
000a 46770a: 48 83 ec 10 sub $0x10,%rsp
000e 46770e: 49 89 ce mov %rcx,%r14
0011 467711: 48 89 d3 mov %rdx,%rbx
0014 467714: 49 89 f4 mov %rsi,%r12
0017 467717: e8 00 00 00 00 call 46771c <pte_offset_map_nolock+0x1c> 467718: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
001c 46771c: 4c 89 e7 mov %r12,%rdi
001f 46771f: e8 00 00 00 00 call 467724 <pte_offset_map_nolock+0x24> 467720: R_X86_64_PLT32 __tsan_volatile_read8-0x4
0024 467724: 4d 8b 3c 24 mov (%r12),%r15
0028 467728: 48 8d 7c 24 08 lea 0x8(%rsp),%rdi
002d 46772d: e8 00 00 00 00 call 467732 <pte_offset_map_nolock+0x32> 46772e: R_X86_64_PLT32 __tsan_volatile_write8-0x4
0032 467732: 4c 89 7c 24 08 mov %r15,0x8(%rsp)
0037 467737: 4c 89 fe mov %r15,%rsi
003a 46773a: 48 83 e6 9f and $0xffffffffffffff9f,%rsi
003e 46773e: 31 ff xor %edi,%edi
0040 467740: e8 00 00 00 00 call 467745 <pte_offset_map_nolock+0x45> 467741: R_X86_64_PLT32 __sanitizer_cov_trace_const_cmp8-0x4
0045 467745: 4c 89 f8 mov %r15,%rax
0048 467748: 48 83 e0 9f and $0xffffffffffffff9f,%rax
004c 46774c: 0f 84 26 01 00 00 je 467878 <pte_offset_map_nolock+0x178>
0052 467752: 4c 89 34 24 mov %r14,(%rsp)
0056 467756: 48 b8 db 0f 00 00 00 00 f0 ff movabs $0xfff0000000000fdb,%rax
0060 467760: 4c 8d b0 00 f0 1f 00 lea 0x1ff000(%rax),%r14
0067 467767: 4c 89 fd mov %r15,%rbp
006a 46776a: 48 81 e5 80 00 00 00 and $0x80,%rbp
0071 467771: 4c 0f 44 f0 cmove %rax,%r14
0075 467775: 31 ff xor %edi,%edi
0077 467777: 48 89 ee mov %rbp,%rsi
007a 46777a: e8 00 00 00 00 call 46777f <pte_offset_map_nolock+0x7f> 46777b: R_X86_64_PLT32 __sanitizer_cov_trace_const_cmp8-0x4
007f 46777f: 4d 21 fe and %r15,%r14
0082 467782: bf 43 00 00 00 mov $0x43,%edi
0087 467787: 4c 89 f6 mov %r14,%rsi
008a 46778a: e8 00 00 00 00 call 46778f <pte_offset_map_nolock+0x8f> 46778b: R_X86_64_PLT32 __sanitizer_cov_trace_const_cmp8-0x4
008f 46778f: 4c 89 ff mov %r15,%rdi
0092 467792: ff 15 00 00 00 00 call *0x0(%rip) # 467798 <pte_offset_map_nolock+0x98> 467794: R_X86_64_PC32 pv_ops+0x1fc
0098 467798: 48 89 e1 mov %rsp,%rcx
009b 46779b: 49 83 fe 43 cmp $0x43,%r14
009f 46779f: 0f 85 dc 00 00 00 jne 467881 <pte_offset_map_nolock+0x181>
00a5 4677a5: 49 89 c5 mov %rax,%r13
00a8 4677a8: 48 b8 00 00 e0 ff ff ff 0f 00 movabs $0xfffffffe00000,%rax
00b2 4677b2: 4c 8d a0 00 f0 1f 00 lea 0x1ff000(%rax),%r12
00b9 4677b9: 48 85 ed test %rbp,%rbp
00bc 4677bc: 48 89 cc mov %rcx,%rsp
00bf 4677bf: 4c 0f 45 e0 cmovne %rax,%r12
00c3 4677c3: 4d 21 e5 and %r12,%r13
00c6 4677c6: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 4677c9: R_X86_64_32S page_offset_base
00cd 4677cd: e8 00 00 00 00 call 4677d2 <pte_offset_map_nolock+0xd2> 4677ce: R_X86_64_PLT32 __tsan_read8-0x4
00d2 4677d2: 4c 03 2d 00 00 00 00 add 0x0(%rip),%r13 # 4677d9 <pte_offset_map_nolock+0xd9> 4677d5: R_X86_64_PC32 page_offset_base-0x4
00d9 4677d9: c1 eb 0c shr $0xc,%ebx
00dc 4677dc: 81 e3 ff 01 00 00 and $0x1ff,%ebx
00e2 4677e2: 48 c1 e3 03 shl $0x3,%rbx
00e6 4677e6: 4c 01 eb add %r13,%rbx
00e9 4677e9: 0f 84 ac 00 00 00 je 46789b <pte_offset_map_nolock+0x19b>
00ef 4677ef: e8 00 00 00 00 call 4677f4 <pte_offset_map_nolock+0xf4> 4677f0: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
00f4 4677f4: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 4677f7: R_X86_64_32S vmemmap_base
00fb 4677fb: e8 00 00 00 00 call 467800 <pte_offset_map_nolock+0x100> 4677fc: R_X86_64_PLT32 __tsan_read8-0x4
0100 467800: 4c 8b 2d 00 00 00 00 mov 0x0(%rip),%r13 # 467807 <pte_offset_map_nolock+0x107> 467803: R_X86_64_PC32 vmemmap_base-0x4
0107 467807: 4c 89 ff mov %r15,%rdi
010a 46780a: ff 15 00 00 00 00 call *0x0(%rip) # 467810 <pte_offset_map_nolock+0x110> 46780c: R_X86_64_PC32 pv_ops+0x1fc
0110 467810: 49 89 c6 mov %rax,%r14
0113 467813: 31 ff xor %edi,%edi
0115 467815: 48 89 c6 mov %rax,%rsi
0118 467818: e8 00 00 00 00 call 46781d <pte_offset_map_nolock+0x11d> 467819: R_X86_64_PLT32 __sanitizer_cov_trace_const_cmp8-0x4
011d 46781d: 4d 85 f6 test %r14,%r14
0120 467820: 40 0f 95 c5 setne %bpl
0124 467824: 4c 89 f6 mov %r14,%rsi
0127 467827: 48 83 e6 01 and $0x1,%rsi
012b 46782b: 41 0f 94 c7 sete %r15b
012f 46782f: 31 ff xor %edi,%edi
0131 467831: e8 00 00 00 00 call 467836 <pte_offset_map_nolock+0x136> 467832: R_X86_64_PLT32 __sanitizer_cov_trace_const_cmp8-0x4
0136 467836: 41 20 ef and %bpl,%r15b
0139 467839: 41 0f b6 c7 movzbl %r15b,%eax
013d 46783d: 48 f7 d8 neg %rax
0140 467840: 4c 31 f0 xor %r14,%rax
0143 467843: 4c 21 e0 and %r12,%rax
0146 467846: 48 c1 e8 06 shr $0x6,%rax
014a 46784a: 4e 8d 34 28 lea (%rax,%r13,1),%r14
014e 46784e: 49 83 c6 28 add $0x28,%r14
0152 467852: 4c 8b 3c 24 mov (%rsp),%r15
0156 467856: 4c 89 ff mov %r15,%rdi
0159 467859: e8 00 00 00 00 call 46785e <pte_offset_map_nolock+0x15e> 46785a: R_X86_64_PLT32 __tsan_write8-0x4
015e 46785e: 4d 89 37 mov %r14,(%r15)
0161 467861: 48 89 d8 mov %rbx,%rax
0164 467864: 48 83 c4 10 add $0x10,%rsp
0168 467868: 5b pop %rbx
0169 467869: 41 5c pop %r12
016b 46786b: 41 5d pop %r13
016d 46786d: 41 5e pop %r14
016f 46786f: 41 5f pop %r15
0171 467871: 5d pop %rbp
0172 467872: 2e e9 00 00 00 00 cs jmp 467878 <pte_offset_map_nolock+0x178> 467874: R_X86_64_PLT32 __x86_return_thunk-0x4
0178 467878: e8 00 00 00 00 call 46787d <pte_offset_map_nolock+0x17d> 467879: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
017d 46787d: 31 db xor %ebx,%ebx
017f 46787f: eb e0 jmp 467861 <pte_offset_map_nolock+0x161>
0181 467881: 48 89 cb mov %rcx,%rbx
0184 467884: e8 00 00 00 00 call 467889 <pte_offset_map_nolock+0x189> 467885: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
0189 467889: 48 89 dc mov %rbx,%rsp
018c 46788c: 31 db xor %ebx,%ebx
018e 46788e: 4c 89 e7 mov %r12,%rdi
0191 467891: 31 f6 xor %esi,%esi
0193 467893: ff 15 00 00 00 00 call *0x0(%rip) # 467899 <pte_offset_map_nolock+0x199> 467895: R_X86_64_PC32 pv_ops+0x1bc
0199 467899: eb c6 jmp 467861 <pte_offset_map_nolock+0x161>
019b 46789b: e8 00 00 00 00 call 4678a0 <pte_offset_map_nolock+0x1a0> 46789c: R_X86_64_PLT32 __sanitizer_cov_trace_pc-0x4
01a0 4678a0: 31 db xor %ebx,%ebx
01a2 4678a2: eb bd jmp 467861 <pte_offset_map_nolock+0x161>
01a4 4678a4: 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 data16 data16 data16 data16 data16 cs nopw 0x0(%rax,%rax,1)
01b3 4678b3: 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 data16 data16 data16 cs nopw 0x0(%rax,%rax,1)
--
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