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Add test for segment size change bug

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Signed-off-by: Joerg Vehlow <joerg.vehlow@aox.de>
This commit is contained in:
Joerg Vehlow 2024-03-25 07:25:28 +01:00 committed by Serge Lamikhov-Center
parent 45af83bc67
commit e2a3d0ada4
2 changed files with 71 additions and 0 deletions
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71
tests/ELFIOTest.cpp
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@ -1149,3 +1149,74 @@ TEST( ELFIOTest, test_free_data )
} }
} while ( is_lazy ); } while ( is_lazy );
} }
TEST( ELFIOTest, test_segment_resize_bug )
{
elfio reader;
ASSERT_EQ( reader.load( "elf_examples/x86_64_static" ), true );
/*
* Binary built with:
* echo "int main(){}" | gcc -xc -static -o x86_64_static -
*
* readelf -l x86_64_static:
*
* Program Headers:
* Type Offset VirtAddr PhysAddr
* FileSiz MemSiz Flags Align
* LOAD 0x0000000000000000 0x0000000000400000 0x0000000000400000
* 0x0000000000000518 0x0000000000000518 R 0x1000
* LOAD 0x0000000000001000 0x0000000000401000 0x0000000000401000
* 0x00000000000936bd 0x00000000000936bd R E 0x1000
* LOAD 0x0000000000095000 0x0000000000495000 0x0000000000495000
* 0x000000000002664d 0x000000000002664d R 0x1000
* LOAD 0x00000000000bc0c0 0x00000000004bd0c0 0x00000000004bd0c0
* 0x0000000000005170 0x00000000000068c0 RW 0x1000
* NOTE 0x0000000000000270 0x0000000000400270 0x0000000000400270
* 0x0000000000000020 0x0000000000000020 R 0x8
* NOTE 0x0000000000000290 0x0000000000400290 0x0000000000400290
* 0x0000000000000044 0x0000000000000044 R 0x4
* TLS 0x00000000000bc0c0 0x00000000004bd0c0 0x00000000004bd0c0
* 0x0000000000000020 0x0000000000000060 R 0x8
* GNU_PROPERTY 0x0000000000000270 0x0000000000400270 0x0000000000400270
* 0x0000000000000020 0x0000000000000020 R 0x8
* GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
* 0x0000000000000000 0x0000000000000000 RW 0x10
* GNU_RELRO 0x00000000000bc0c0 0x00000000004bd0c0 0x00000000004bd0c0
* 0x0000000000002f40 0x0000000000002f40 R 0x1
*
* Section to Segment mapping:
* Segment Sections...
* 00 .note.gnu.property .note.gnu.build-id .note.ABI-tag .rela.plt
* 01 .init .plt .text __libc_freeres_fn .fini
* 02 .rodata .stapsdt.base .eh_frame .gcc_except_table
* 03 .tdata .init_array .fini_array .data.rel.ro .got .got.plt .data __libc_subfreeres __libc_IO_vtables __libc_atexit .bss __libc_freeres_ptrs
* 04 .note.gnu.property
* 05 .note.gnu.build-id .note.ABI-tag
* 06 .tdata .tbss
* 07 .note.gnu.property
* 08
* 09 .tdata .init_array .fini_array .data.rel.ro .got
*/
auto checkElf = [](auto &reader) {
const auto &segments = reader.segments;
ASSERT_EQ( segments.size(), 10 );
checkSegment(segments[0], PT_LOAD, 0x400000, 0x400000, 0x518, 0x518, PF_R, 0x1000);
checkSegment(segments[1], PT_LOAD, 0x401000, 0x401000, 0x936bd, 0x936bd, PF_R | PF_X, 0x1000);
checkSegment(segments[2], PT_LOAD, 0x495000, 0x495000, 0x2664d, 0x2664d, PF_R, 0x1000);
checkSegment(segments[3], PT_LOAD, 0x4bd0c0, 0x4bd0c0, 0x5170, 0x68c0, PF_R | PF_W, 0x1000);
checkSegment(segments[4], PT_NOTE, 0x400270, 0x400270, 0x20, 0x20, PF_R, 0x8);
checkSegment(segments[5], PT_NOTE, 0x400290, 0x400290, 0x44, 0x44, PF_R, 0x4);
checkSegment(segments[6], PT_TLS, 0x4bd0c0, 0x4bd0c0, 0x20, 0x60, PF_R, 0x8);
checkSegment(segments[7], PT_GNU_PROPERTY, 0x400270, 0x400270, 0x20, 0x20, PF_R, 0x8);
checkSegment(segments[8], PT_GNU_STACK, 0, 0, 0, 0, PF_R | PF_W, 0x10);
checkSegment(segments[9], PT_GNU_RELRO, 0x4bd0c0, 0x4bd0c0, 0x2f40, 0x2f40, PF_R, 0x1);
};
checkElf(reader);
ASSERT_EQ( reader.save("elf_examples/x86_64_static.save"), true );
ASSERT_EQ( reader.load( "elf_examples/x86_64_static.save" ), true );
checkElf(reader);
}

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tests/elf_examples/x86_64_static Executable file
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