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LZMA on AMD64 had bug in calling sequence, leading to random exit(127)

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LzmaDecode randomly decided that the input had ended in the middle,
because of error in interface between ELFMAINX and the decoder.

Thanks to Kevin Gosse!
https://github.com/upx/upx/pull/716
https://github.com/MichalStrehovsky/PublishAotCompressed/issues/11
This commit is contained in:
John Reiser
2023-10-06 14:14:32 -07:00
committed by Markus F.X.J. Oberhumer
parent e32de83758
commit 0515be4334
12 changed files with 1196 additions and 1191 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stub/tmp/amd64-linux.elf-entry.bin.dump
Generated Vendored
+12 -12
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@@ -2,18 +2,18 @@ file format elf64-x86-64
Sections:
Idx Name Size VMA LMA File off Algn Flags
0 ELFMAINX 0f 0 0 040 2**0 CONTENTS
1 NRV_HEAD 066 0 0 04f 2**0 CONTENTS
2 NRV2E 0ba 0 0 0b5 2**0 CONTENTS
3 NRV2D 0a1 0 0 016f 2**0 CONTENTS
4 NRV2B 093 0 0 0210 2**0 CONTENTS
5 LZMA_ELF00 064 0 0 02a3 2**0 CONTENTS
6 LZMA_DEC10 09f7 0 0 0307 2**0 CONTENTS
7 LZMA_DEC20 09f7 0 0 0cfe 2**0 CONTENTS
8 LZMA_DEC30 018 0 0 016f5 2**0 CONTENTS
9 NRV_TAIL 0 0 0 0170d 2**0 CONTENTS
10 ELFMAINY 03a 0 0 0170d 2**0 CONTENTS
11 ELFMAINZ 0b1 0 0 01747 2**0 CONTENTS
0 ELFMAINX 012 0 0 040 2**0 CONTENTS
1 NRV_HEAD 066 0 0 052 2**0 CONTENTS
2 NRV2E 0ba 0 0 0b8 2**0 CONTENTS
3 NRV2D 0a1 0 0 0172 2**0 CONTENTS
4 NRV2B 093 0 0 0213 2**0 CONTENTS
5 LZMA_ELF00 064 0 0 02a6 2**0 CONTENTS
6 LZMA_DEC10 09f7 0 0 030a 2**0 CONTENTS
7 LZMA_DEC20 09f7 0 0 0d01 2**0 CONTENTS
8 LZMA_DEC30 018 0 0 016f8 2**0 CONTENTS
9 NRV_TAIL 0 0 0 01710 2**0 CONTENTS
10 ELFMAINY 03a 0 0 01710 2**0 CONTENTS
11 ELFMAINZ 0b1 0 0 0174a 2**0 CONTENTS
SYMBOL TABLE:
0000000000000000 l d NRV_HEAD 0 NRV_HEAD
0000000000000000 l d LZMA_DEC30 0 LZMA_DEC30
src/stub/tmp/amd64-linux.elf-so_entry.bin.dump
Generated Vendored
+2 -2
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@@ -2,8 +2,8 @@ file format elf64-x86-64
Sections:
Idx Name Size VMA LMA File off Algn Flags
0 ELFMAINX 0fd 0 0 040 2**0 CONTENTS
1 ELFMAINZ 06 0 0 013d 2**0 CONTENTS
0 ELFMAINX 0100 0 0 040 2**0 CONTENTS
1 ELFMAINZ 06 0 0 0140 2**0 CONTENTS
SYMBOL TABLE:
0000000000000000 l d ELFMAINX 0 ELFMAINX
0000000000000000 l ELFMAINX 0 _start
src/stub/tmp/amd64-linux.shlib-init.bin.dump
Generated Vendored
+12 -12
View File
@@ -2,18 +2,18 @@ file format elf64-x86-64
Sections:
Idx Name Size VMA LMA File off Algn Flags
0 ELFMAINX 019 0 0 040 2**0 CONTENTS
1 NRV_HEAD 066 0 0 059 2**0 CONTENTS
2 NRV2E 0ba 0 0 0bf 2**0 CONTENTS
3 NRV2D 0a1 0 0 0179 2**0 CONTENTS
4 NRV2B 093 0 0 021a 2**0 CONTENTS
5 LZMA_ELF00 064 0 0 02ad 2**0 CONTENTS
6 LZMA_DEC10 09f7 0 0 0311 2**0 CONTENTS
7 LZMA_DEC20 09f7 0 0 0d08 2**0 CONTENTS
8 LZMA_DEC30 018 0 0 016ff 2**0 CONTENTS
9 NRV_TAIL 0 0 0 01717 2**0 CONTENTS
10 ELFMAINY 03a 0 0 01717 2**0 CONTENTS
11 ELFMAINZ 01b5 0 0 01751 2**0 CONTENTS
0 ELFMAINX 01c 0 0 040 2**0 CONTENTS
1 NRV_HEAD 066 0 0 05c 2**0 CONTENTS
2 NRV2E 0ba 0 0 0c2 2**0 CONTENTS
3 NRV2D 0a1 0 0 017c 2**0 CONTENTS
4 NRV2B 093 0 0 021d 2**0 CONTENTS
5 LZMA_ELF00 064 0 0 02b0 2**0 CONTENTS
6 LZMA_DEC10 09f7 0 0 0314 2**0 CONTENTS
7 LZMA_DEC20 09f7 0 0 0d0b 2**0 CONTENTS
8 LZMA_DEC30 018 0 0 01702 2**0 CONTENTS
9 NRV_TAIL 0 0 0 0171a 2**0 CONTENTS
10 ELFMAINY 03a 0 0 0171a 2**0 CONTENTS
11 ELFMAINZ 01b5 0 0 01754 2**0 CONTENTS
SYMBOL TABLE:
0000000000000000 l d NRV_HEAD 0 NRV_HEAD
0000000000000000 l d LZMA_DEC30 0 LZMA_DEC30