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Date: Wed, 5 Jun 2024 18:37:09 +0800 From: kernel test robot <lkp@...el.com> To: Josh Poimboeuf <jpoimboe@...nel.org> Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org, Miroslav Benes <mbenes@...e.cz> Subject: vmlinux.o: warning: objtool: do_write_buffer.cold+0x0: unreachable instruction tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 32f88d65f01bf6f45476d7edbe675e44fb9e1d58 commit: 5e3992fe72748ed3892be876f09d4d990548b7af objtool: Limit unreachable warnings to once per function date: 1 year, 1 month ago config: x86_64-randconfig-c024-20220425 (https://download.01.org/0day-ci/archive/20240605/202406051817.YrjweBSk-lkp@intel.com/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240605/202406051817.YrjweBSk-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@...el.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202406051817.YrjweBSk-lkp@intel.com/ All warnings (new ones prefixed by >>): vmlinux.o: warning: objtool: cfi_chip_setup+0x178: unreachable instruction vmlinux.o: warning: objtool: cfi_probe_chip+0x72: unreachable instruction vmlinux.o: warning: objtool: cfi_staa_resume+0x154: unreachable instruction vmlinux.o: warning: objtool: do_write_buffer+0x1bf: unreachable instruction vmlinux.o: warning: objtool: do_unlock_oneblock+0x136: unreachable instruction vmlinux.o: warning: objtool: do_lock_oneblock+0x136: unreachable instruction vmlinux.o: warning: objtool: do_erase_oneblock+0x108: unreachable instruction vmlinux.o: warning: objtool: do_read_onechip+0x10a: unreachable instruction vmlinux.o: warning: objtool: fixup_sst39vf_rev_b+0x12c: unreachable instruction vmlinux.o: warning: objtool: cfi_amdstd_resume+0x183: unreachable instruction vmlinux.o: warning: objtool: cfi_check_err_status+0x16b: unreachable instruction vmlinux.o: warning: objtool: chip_ready+0x154: unreachable instruction vmlinux.o: warning: objtool: do_panic_write_oneword+0x114: unreachable instruction vmlinux.o: warning: objtool: do_write_oneword_once+0x115: unreachable instruction vmlinux.o: warning: objtool: fixup_sst38vf640x_sectorsize+0x13d: unreachable instruction vmlinux.o: warning: objtool: put_chip.isra.0+0x35e: unreachable instruction vmlinux.o: warning: objtool: get_chip+0x4f4: unreachable instruction vmlinux.o: warning: objtool: do_write_oneword+0x2de: unreachable instruction vmlinux.o: warning: objtool: do_atmel_unlock+0x16e: unreachable instruction vmlinux.o: warning: objtool: do_atmel_lock+0x17a: unreachable instruction vmlinux.o: warning: objtool: fwh_xxlock_oneblock+0x16d: unreachable instruction vmlinux.o: warning: objtool: do_otp_lock+0x1a1: unreachable instruction vmlinux.o: warning: objtool: do_erase_chip+0x355: unreachable instruction vmlinux.o: warning: objtool: do_write_buffer+0x19e: unreachable instruction vmlinux.o: warning: objtool: do_erase_oneblock+0x356: unreachable instruction vmlinux.o: warning: objtool: do_ppb_xxlock+0x166: unreachable instruction vmlinux.o: warning: objtool: cfi_amdstd_read+0x15b: unreachable instruction vmlinux.o: warning: objtool: cfi_amdstd_otp_walk+0x24c: unreachable instruction vmlinux.o: warning: objtool: cfi_amdstd_reset.isra.0+0x178: unreachable instruction vmlinux.o: warning: objtool: cfi_amdstd_secsi_read+0x3b1: unreachable instruction vmlinux.o: warning: objtool: do_otp_write+0x14b: unreachable instruction vmlinux.o: warning: objtool: do_read_secsi_onechip+0x288: unreachable instruction vmlinux.o: warning: objtool: fixup_LH28F640BF+0x110: unreachable instruction vmlinux.o: warning: objtool: do_getlockstatus_oneblock+0xc7: unreachable instruction vmlinux.o: warning: objtool: inval_cache_and_wait_for_operation+0xad: unreachable instruction vmlinux.o: warning: objtool: cfi_intelext_resume+0x1b7: unreachable instruction vmlinux.o: warning: objtool: cfi_intelext_suspend+0x247: unreachable instruction vmlinux.o: warning: objtool: put_chip.isra.0+0x1e1: unreachable instruction vmlinux.o: warning: objtool: chip_ready+0xde: unreachable instruction vmlinux.o: warning: objtool: do_write_oneword+0xbf: unreachable instruction vmlinux.o: warning: objtool: do_otp_lock+0x64: unreachable instruction vmlinux.o: warning: objtool: do_erase_oneblock+0xee: unreachable instruction vmlinux.o: warning: objtool: cfi_intelext_reset.isra.0+0x178: unreachable instruction vmlinux.o: warning: objtool: do_write_buffer+0x1b2: unreachable instruction vmlinux.o: warning: objtool: cfi_intelext_point+0x3ce: unreachable instruction vmlinux.o: warning: objtool: cfi_intelext_read+0x28d: unreachable instruction vmlinux.o: warning: objtool: fwh_xxlock_oneblock+0x174: unreachable instruction vmlinux.o: warning: objtool: do_xxlock_oneblock+0x104: unreachable instruction vmlinux.o: warning: objtool: do_otp_read+0x23f: unreachable instruction vmlinux.o: warning: objtool: cfi_intelext_otp_walk+0x747: unreachable instruction vmlinux.o: warning: objtool: jedec_reset+0x95: unreachable instruction vmlinux.o: warning: objtool: cfi_jedec_setup+0x3b2: unreachable instruction vmlinux.o: warning: objtool: jedec_probe_chip+0x2ec: unreachable instruction vmlinux.o: warning: objtool: cfi_probe_chip.cold+0x0: unreachable instruction vmlinux.o: warning: objtool: do_erase_oneblock.cold+0x0: unreachable instruction >> vmlinux.o: warning: objtool: do_write_buffer.cold+0x0: unreachable instruction vmlinux.o: warning: objtool: jedec_probe_chip.cold+0x0: unreachable instruction objdump-func vmlinux.o do_write_buffer.cold: 0000 0000000000032b1d <do_write_buffer.cold>: 0000 32b1d: 0f b7 d1 movzwl %cx,%edx 0003 32b20: be 02 00 00 00 mov $0x2,%esi 0008 32b25: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 32b28: R_X86_64_32S .data+0xaa9920 000f 32b2c: 89 4c 24 08 mov %ecx,0x8(%rsp) 0013 32b30: e8 00 00 00 00 call 32b35 <do_write_buffer.cold+0x18> 32b31: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 0018 32b35: 8b 4c 24 08 mov 0x8(%rsp),%ecx 001c 32b39: e9 00 00 00 00 jmp 32b3e <cfi_staa_write_buffers.cold> 32b3a: R_X86_64_PC32 .text+0x14539bc 0000 0000000000033a94 <do_write_buffer.cold>: 0000 33a94: be ff 00 00 00 mov $0xff,%esi 0005 33a99: 48 89 84 24 90 00 00 00 mov %rax,0x90(%rsp) 000d 33aa1: 48 63 c1 movslq %ecx,%rax 0010 33aa4: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 33aa7: R_X86_64_32S .data+0xaad1a0 0017 33aab: 48 89 c2 mov %rax,%rdx 001a 33aae: 4c 89 9c 24 98 00 00 00 mov %r11,0x98(%rsp) 0022 33ab6: 4c 89 94 24 88 00 00 00 mov %r10,0x88(%rsp) 002a 33abe: 4c 89 8c 24 80 00 00 00 mov %r9,0x80(%rsp) 0032 33ac6: 89 4c 24 78 mov %ecx,0x78(%rsp) 0036 33aca: 48 89 44 24 70 mov %rax,0x70(%rsp) 003b 33acf: e8 00 00 00 00 call 33ad4 <do_write_buffer.cold+0x40> 33ad0: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 0040 33ad4: 8b 4c 24 78 mov 0x78(%rsp),%ecx 0044 33ad8: 4c 8b 8c 24 80 00 00 00 mov 0x80(%rsp),%r9 004c 33ae0: 49 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%r8 0056 33aea: 4c 8b 94 24 88 00 00 00 mov 0x88(%rsp),%r10 005e 33af2: 48 8b 84 24 90 00 00 00 mov 0x90(%rsp),%rax 0066 33afa: 83 f9 3f cmp $0x3f,%ecx 0069 33afd: 4c 8b 9c 24 98 00 00 00 mov 0x98(%rsp),%r11 0071 33b05: 0f 86 00 00 00 00 jbe 33b0b <do_write_buffer.cold+0x77> 33b07: R_X86_64_PC32 .text+0x146fd05 0077 33b0b: 48 89 de mov %rbx,%rsi 007a 33b0e: 48 c1 ee 03 shr $0x3,%rsi 007e 33b12: 42 0f b6 14 06 movzbl (%rsi,%r8,1),%edx 0083 33b17: 48 89 de mov %rbx,%rsi 0086 33b1a: 83 e6 07 and $0x7,%esi 0089 33b1d: 40 38 f2 cmp %sil,%dl 008c 33b20: 7f 08 jg 33b2a <do_write_buffer.cold+0x96> 008e 33b22: 84 d2 test %dl,%dl 0090 33b24: 0f 85 b1 00 00 00 jne 33bdb <do_write_buffer.cold+0x147> 0096 33b2a: 0f b6 33 movzbl (%rbx),%esi 0099 33b2d: 48 8b 54 24 70 mov 0x70(%rsp),%rdx 009e 33b32: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 33b35: R_X86_64_32S .data+0xaad160 00a5 33b39: 4c 89 9c 24 98 00 00 00 mov %r11,0x98(%rsp) 00ad 33b41: 89 8c 24 90 00 00 00 mov %ecx,0x90(%rsp) 00b4 33b48: 48 89 84 24 88 00 00 00 mov %rax,0x88(%rsp) 00bc 33b50: 4c 89 94 24 80 00 00 00 mov %r10,0x80(%rsp) 00c4 33b58: 4c 89 4c 24 78 mov %r9,0x78(%rsp) 00c9 33b5d: e8 00 00 00 00 call 33b62 <do_write_buffer.cold+0xce> 33b5e: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 00ce 33b62: 4c 8b 4c 24 78 mov 0x78(%rsp),%r9 00d3 33b67: 4c 8b 94 24 80 00 00 00 mov 0x80(%rsp),%r10 00db 33b6f: 49 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%r8 00e5 33b79: 48 8b 84 24 88 00 00 00 mov 0x88(%rsp),%rax 00ed 33b81: 8b 8c 24 90 00 00 00 mov 0x90(%rsp),%ecx 00f4 33b88: 4c 8b 9c 24 98 00 00 00 mov 0x98(%rsp),%r11 00fc 33b90: e9 00 00 00 00 jmp 33b95 <do_write_buffer.cold+0x101> 33b91: R_X86_64_PC32 .text+0x146fd05 0101 33b95: 0f b7 d1 movzwl %cx,%edx 0104 33b98: be 02 00 00 00 mov $0x2,%esi 0109 33b9d: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 33ba0: R_X86_64_32S .data+0xaac840 0110 33ba4: 89 0c 24 mov %ecx,(%rsp) 0113 33ba7: e8 00 00 00 00 call 33bac <do_write_buffer.cold+0x118> 33ba8: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 0118 33bac: 4c 89 f2 mov %r14,%rdx 011b 33baf: b8 ff ff 37 00 mov $0x37ffff,%eax 0120 33bb4: 8b 0c 24 mov (%rsp),%ecx 0123 33bb7: 48 c1 ea 03 shr $0x3,%rdx 0127 33bbb: 48 c1 e0 2a shl $0x2a,%rax 012b 33bbf: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 012f 33bc3: 75 09 jne 33bce <do_write_buffer.cold+0x13a> 0131 33bc5: 49 8b 5f 30 mov 0x30(%r15),%rbx 0135 33bc9: e9 00 00 00 00 jmp 33bce <do_write_buffer.cold+0x13a> 33bca: R_X86_64_PC32 .text+0x146f8f1 013a 33bce: 4c 89 f7 mov %r14,%rdi 013d 33bd1: e8 00 00 00 00 call 33bd6 <do_write_buffer.cold+0x142> 33bd2: R_X86_64_PLT32 __asan_report_load8_noabort-0x4 0142 33bd6: 8b 0c 24 mov (%rsp),%ecx 0145 33bd9: eb ea jmp 33bc5 <do_write_buffer.cold+0x131> 0147 33bdb: 48 89 df mov %rbx,%rdi 014a 33bde: 89 8c 24 90 00 00 00 mov %ecx,0x90(%rsp) 0151 33be5: 48 89 84 24 88 00 00 00 mov %rax,0x88(%rsp) 0159 33bed: 4c 89 94 24 80 00 00 00 mov %r10,0x80(%rsp) 0161 33bf5: 4c 89 4c 24 78 mov %r9,0x78(%rsp) 0166 33bfa: e8 00 00 00 00 call 33bff <do_write_buffer.cold+0x16b> 33bfb: R_X86_64_PLT32 __asan_report_load1_noabort-0x4 016b 33bff: 4c 8b 9c 24 98 00 00 00 mov 0x98(%rsp),%r11 0173 33c07: 8b 8c 24 90 00 00 00 mov 0x90(%rsp),%ecx 017a 33c0e: 48 8b 84 24 88 00 00 00 mov 0x88(%rsp),%rax 0182 33c16: 4c 8b 94 24 80 00 00 00 mov 0x80(%rsp),%r10 018a 33c1e: 4c 8b 4c 24 78 mov 0x78(%rsp),%r9 018f 33c23: e9 02 ff ff ff jmp 33b2a <do_write_buffer.cold+0x96> 0000 0000000000034872 <do_write_buffer.cold>: 0000 34872: 0f b7 d1 movzwl %cx,%edx 0003 34875: be 01 00 00 00 mov $0x1,%esi 0008 3487a: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 3487d: R_X86_64_32S .data+0xab3040 000f 34881: 44 89 4c 24 08 mov %r9d,0x8(%rsp) 0014 34886: 89 0c 24 mov %ecx,(%rsp) 0017 34889: e8 00 00 00 00 call 3488e <do_write_buffer.cold+0x1c> 3488a: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 001c 3488e: 8b 0c 24 mov (%rsp),%ecx 001f 34891: 44 8b 4c 24 08 mov 0x8(%rsp),%r9d 0024 34896: e9 00 00 00 00 jmp 3489b <do_write_buffer.cold+0x29> 34897: R_X86_64_PC32 .text+0x147d7b2 0029 3489b: 48 63 c1 movslq %ecx,%rax 002c 3489e: be ff 00 00 00 mov $0xff,%esi 0031 348a3: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 348a6: R_X86_64_32S .data+0xab31c0 0038 348aa: 4c 89 9c 24 90 00 00 00 mov %r11,0x90(%rsp) 0040 348b2: 48 89 c2 mov %rax,%rdx 0043 348b5: 44 89 8c 24 88 00 00 00 mov %r9d,0x88(%rsp) 004b 348bd: 4c 89 94 24 80 00 00 00 mov %r10,0x80(%rsp) 0053 348c5: 4c 89 44 24 78 mov %r8,0x78(%rsp) 0058 348ca: 89 4c 24 70 mov %ecx,0x70(%rsp) 005c 348ce: 48 89 44 24 68 mov %rax,0x68(%rsp) 0061 348d3: e8 00 00 00 00 call 348d8 <do_write_buffer.cold+0x66> 348d4: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 0066 348d8: 8b 4c 24 70 mov 0x70(%rsp),%ecx 006a 348dc: 4c 8b 44 24 78 mov 0x78(%rsp),%r8 006f 348e1: 48 b8 00 00 00 00 00 fc ff df movabs $0xdffffc0000000000,%rax 0079 348eb: 4c 8b 94 24 80 00 00 00 mov 0x80(%rsp),%r10 0081 348f3: 44 8b 8c 24 88 00 00 00 mov 0x88(%rsp),%r9d 0089 348fb: 83 f9 3f cmp $0x3f,%ecx 008c 348fe: 4c 8b 9c 24 90 00 00 00 mov 0x90(%rsp),%r11 0094 34906: 0f 86 00 00 00 00 jbe 3490c <do_write_buffer.cold+0x9a> 34908: R_X86_64_PC32 .text+0x147d9ae 009a 3490c: 48 89 de mov %rbx,%rsi 009d 3490f: 48 c1 ee 03 shr $0x3,%rsi 00a1 34913: 0f b6 14 06 movzbl (%rsi,%rax,1),%edx 00a5 34917: 48 89 de mov %rbx,%rsi 00a8 3491a: 83 e6 07 and $0x7,%esi 00ab 3491d: 40 38 f2 cmp %sil,%dl 00ae 34920: 7f 08 jg 3492a <do_write_buffer.cold+0xb8> 00b0 34922: 84 d2 test %dl,%dl 00b2 34924: 0f 85 83 00 00 00 jne 349ad <do_write_buffer.cold+0x13b> 00b8 3492a: 0f b6 33 movzbl (%rbx),%esi 00bb 3492d: 48 8b 54 24 68 mov 0x68(%rsp),%rdx 00c0 34932: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 34935: R_X86_64_32S .data+0xab3180 00c7 34939: 4c 89 9c 24 90 00 00 00 mov %r11,0x90(%rsp) 00cf 34941: 44 89 8c 24 88 00 00 00 mov %r9d,0x88(%rsp) 00d7 34949: 89 8c 24 80 00 00 00 mov %ecx,0x80(%rsp) 00de 34950: 4c 89 54 24 78 mov %r10,0x78(%rsp) 00e3 34955: 4c 89 44 24 70 mov %r8,0x70(%rsp) 00e8 3495a: e8 00 00 00 00 call 3495f <do_write_buffer.cold+0xed> 3495b: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 00ed 3495f: b8 ff ff 37 00 mov $0x37ffff,%eax 00f2 34964: 4c 8b 44 24 70 mov 0x70(%rsp),%r8 00f7 34969: 4c 8b 54 24 78 mov 0x78(%rsp),%r10 00fc 3496e: 8b 8c 24 80 00 00 00 mov 0x80(%rsp),%ecx 0103 34975: 44 8b 8c 24 88 00 00 00 mov 0x88(%rsp),%r9d 010b 3497d: 48 c1 e0 2a shl $0x2a,%rax 010f 34981: 4c 8b 9c 24 90 00 00 00 mov 0x90(%rsp),%r11 0117 34989: e9 00 00 00 00 jmp 3498e <do_write_buffer.cold+0x11c> 3498a: R_X86_64_PC32 .text+0x147d9ae 011c 3498e: 0f b7 d1 movzwl %cx,%edx 011f 34991: be 01 00 00 00 mov $0x1,%esi 0124 34996: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 34999: R_X86_64_32S .data+0xab3000 012b 3499d: 89 0c 24 mov %ecx,(%rsp) 012e 349a0: e8 00 00 00 00 call 349a5 <do_write_buffer.cold+0x133> 349a1: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4 0133 349a5: 8b 0c 24 mov (%rsp),%ecx 0136 349a8: e9 00 00 00 00 jmp 349ad <do_write_buffer.cold+0x13b> 349a9: R_X86_64_PC32 .text+0x147dcba 013b 349ad: 48 89 df mov %rbx,%rdi 013e 349b0: 89 8c 24 80 00 00 00 mov %ecx,0x80(%rsp) 0145 349b7: 4c 89 54 24 78 mov %r10,0x78(%rsp) 014a 349bc: 4c 89 44 24 70 mov %r8,0x70(%rsp) 014f 349c1: e8 00 00 00 00 call 349c6 <do_write_buffer.cold+0x154> 349c2: R_X86_64_PLT32 __asan_report_load1_noabort-0x4 0154 349c6: 4c 8b 54 24 78 mov 0x78(%rsp),%r10 0159 349cb: 4c 8b 44 24 70 mov 0x70(%rsp),%r8 015e 349d0: 4c 8b 9c 24 90 00 00 00 mov 0x90(%rsp),%r11 0166 349d8: 44 8b 8c 24 88 00 00 00 mov 0x88(%rsp),%r9d 016e 349e0: 8b 8c 24 80 00 00 00 mov 0x80(%rsp),%ecx 0175 349e7: e9 3e ff ff ff jmp 3492a <do_write_buffer.cold+0xb8> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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