f23267bddd
Fix rotate+lop of PT_INTERP in shared library
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Found while working on https://github.com/upx/upx/issues/262
but probably does not help that bug.
modified: p_lx_elf.cpp
2019-04-01 21:35:53 -07:00
d4e2d7e8a8
arm64 (aarch64) and PAGE_SIZE > 4KiB
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Future: use prctl(PR_SET_MM, PR_SET_MM_START_BRK, addr)
https://github.com/upx/upx/issues/254
modified: p_lx_elf.cpp
modified: stub/src/amd64-linux.elf-main.c
2019-03-01 20:31:41 -08:00
3667fa4e44
Welcome 2019.
2019-02-15 11:04:09 +01:00
d1c80154f6
SHT_NOTE with ~SHF_ALLOC; as for 'gold' linker version
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https://github.com/upx/upx/issues/243
modified: p_lx_elf.cpp
2019-02-12 21:13:24 -08:00
3c2bfc742e
g++ -Wsign-compare is not as picky as MSVC warning C4018: '<': signed/unsigned mismatch
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https://github.com/upx/upx/issues/247
modified: p_lx_elf.cpp
2019-02-09 08:04:58 -08:00
d60fef753f
check_pt_load(); u32_t, u64_t; (off_t) is not unsigned!
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https://github.com/upx/upx/issues/247
modified: p_lx_elf.cpp
modified: p_lx_elf.h
2019-02-01 19:31:57 -08:00
9719a7dd56
MSVC pettiness
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https://github.com/upx/upx/issues/238
modified: p_lx_elf.cpp
2018-12-26 18:38:30 -08:00
c097233bf3
Stronger checks for DT_HASH, DT_GNU_HASH
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https://github.com/upx/upx/issues/238
modified: p_lx_elf.cpp
2018-12-26 13:00:20 -08:00
69a583281f
MemBuffer::subref() for 64-bit offsets; better diagnosis for bad .e_shoff
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https://github.com/upx/upx/issues/235 (POC14)
modified: mem.cpp
modified: mem.h
modified: p_lx_elf.cpp
2018-12-16 16:00:15 -08:00
8e90c9af2b
Corner cases for e_shnum vs e_shstrndx
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modified: p_lx_elf.cpp
2018-12-16 15:36:51 -08:00
a784284b7f
Check user_init_off. Also remove '\n' from error messages.
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https://github.com/upx/upx/issues/235 POC11
modified: p_lx_elf.cpp
2018-12-16 12:14:22 -08:00
0509edf08d
ElfXX_Sym.st_name is always 32 bits
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modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-12-16 11:32:58 -08:00
7ca20f424f
Typos
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modified: p_lx_elf.cpp
2018-12-15 21:17:26 -08:00
b74d51c2a8
More checking of e_shstrndx
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https://github.com/upx/upx/issues/235 POC6
modified: p_lx_elf.cpp
2018-12-15 21:12:15 -08:00
58061cd121
Check .p_offset
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https://github.com/upx/upx/issues/235 POC13
modified: p_lx_elf.cpp
2018-12-15 20:59:45 -08:00
b8f6be5389
More checking of DT_HASH and DT_GNU_HASH
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https://github.com/upx/upx/issues/235 POC12
modified: p_lx_elf.cpp
2018-12-15 20:43:33 -08:00
7c766b3313
Check e_shstrndx and Shdr.st_name
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https://github.com/upx/upx/issues/235 POC10
modified: p_lx_elf.cpp
2018-12-15 20:27:20 -08:00
91b81b587b
Abandon when outrageous Elf64_Dyn.d_tag
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https://github.com/upx/upx/issues/235 POC8
modified: p_lx_elf.cpp
2018-12-15 19:35:13 -08:00
780a4347b8
Check DT_HASH and DT_GNU_HASH.
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https://github.com/upx/upx/issues/235 POC2,POC4
Also cleanup checking of symbol number and .st_name
in POC1,POC3,POC5,POC7,POC9,POC11
modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-12-15 19:16:14 -08:00
606ad08dd1
Check symbol number and .st_name
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https://github.com/upx/upx/issues/235 POC1,POC3,POC7,POC9
modified: p_elf_enum.h
modified: p_lx_elf.h
modified: p_lx_elf.cpp
2018-12-14 21:32:49 -08:00
f88b85e126
MSVC error C4146: unary minus operator applied to unsigned type, result still unsigned
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modified: p_lx_elf.cpp
2018-10-09 20:27:19 -07:00
cb8b1595a1
Pay more attention to 0==.e_shnum
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modified: p_lx_elf.cpp
2018-10-09 19:38:43 -07:00
37d6a34e58
MSVC is a nimrod. (All verions 10.0 through 14.1)
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"(4074): error C4146: unary minus operator applied to unsigned type, result still unsigned"
So what? Many programmers are much better than the typical Microsoft coder.
The C standard GUARANTEES that unsigned arithmetic uses two's complement,
ignores overflow, and the result is what the hardware adder produces.
modified: p_lx_elf.cpp
2018-09-23 20:45:07 -07:00
0051dfc84f
--android-shlib: Relocate ABS _edata etc.
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https://github.com/upx/upx/issues/220
modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-09-16 15:10:40 -07:00
9f294e6ce5
Fix "upx -d" de-compression when input is compressed Android shlib.
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https://github.com/upx/upx/issues/220
modified: p_lx_elf.cpp
2018-09-16 13:09:43 -07:00
6489ec9bba
Fix PT_LOAD for ELF shared library.
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modified: p_lx_elf.cpp
2018-08-20 19:36:27 -07:00
8f9713ed53
Appease MSVC warning C4018: s/igned/unsigned mismatch
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modified: p_lx_elf.cpp
2018-08-13 18:47:42 -07:00
90eb68b3b9
Adapt to 4 PT_LOAD in binutils-2.31 and gcc-8.2.1 (Fedora 29)
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0: PF_R: .gnu.hash .dynsym .dynstr
1: PF_X | PF_R: .plt .plt.sec .text
2: PF_R: .rodata .hash
3: PF_W | PF_R: .data.rel.ro .dynamic .got .got.plt .data .bss
modified: p_lx_elf.cpp
https://github.com/upx/upx/issues/212 (partial, Fedora 29)
2018-08-13 17:36:56 -07:00
95fcbcb4f2
::PackLinuxElf64amd() sets lg2_page back to 12.
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https://github.com/upx/upx/issues/212 (partial, Fedora 29)
modified: p_lx_elf.cpp
2018-08-10 20:28:40 -07:00
d9288213ec
More checking of PT_DYNAMIC and its contents.
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https://github.com/upx/upx/issues/206
modified: p_lx_elf.cpp
2018-05-17 21:48:26 -07:00
614c86fb7d
--force-pie inhibits treating as shared library (for 'rust', etc.)
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https://github.com/upx/upx/issues/200
modified: main.cpp
modified: options.h
modified: p_lx_elf.cpp
2018-04-26 13:44:17 -07:00
9f651ee40f
Ignore ElfXX_Shdr if not CMD_COMPRESS; beware unpack when PT_DYNAMIC in other PT_LOAD
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https://github.com/upx/upx/issues/200
modified: p_lx_elf.cpp
2018-04-26 08:34:58 -07:00
774c8c3fd4
Fix forgotten get_teXX() in canPack() and invert_pt_dynamic()
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https://github.com/upx/upx/issues/200
modified: p_lx_elf.cpp
2018-04-25 23:05:17 -07:00
8a793d5942
ELF shlib when no DT_INIT (especially --android-shlib)
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https://github.com/upx/upx/issues/191
modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-04-04 09:15:18 -07:00
f1a31b4793
ELf32::unpack; Elf64 parity with Elf32 for shlib with no DT_INIT
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https://github.com/upx/upx/issues/191 [partial, not finished]
modified: p_lx_elf.cpp
2018-03-27 19:15:47 -07:00
5e9b6bd69d
more ELF shlib when no DT_INIT (especially Android): hook DT_INIT_ARRAY[0]
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https://github.com/upx/upx/issues/191 [partial, not finished]
modified: p_lx_elf.cpp
modified: p_lx_elf.h
modified: stub/src/arm.v4a-linux.shlib-init.S
modified: stub/src/arm.v4t-linux.shlib-init.S
2018-03-26 16:30:52 -07:00
9b990c4eae
clarity
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modified: p_lx_elf.cpp
2018-03-24 13:52:29 -07:00
7a625a449a
ELF shlib without DT_INIT: steal a DT_NULL from PT_DYNAMIC
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https://github.com/upx/upx/issues/191 [partial, not finished]
modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-03-24 09:41:58 -07:00
6722e8972e
cleanup dead variables: is_big, all_pages
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modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-03-23 08:06:31 -07:00
90a1322929
Also check for wrap-around when checking oversize involving e_shoff and e_shnum.
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raised by https://github.com/upx/upx/pull/190
modified: p_lx_elf.cpp
2018-03-15 21:25:20 -07:00
95cedb6640
upgrade ::unpack for --android-shlib
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modified: p_elf_enum.h
modified: p_lx_elf.cpp
modified: p_lx_elf.h
modified: stub/src/arm64-linux.shlib-init.S
modified: stub/src/arm.v4t-linux.shlib-init.S
2018-02-02 14:50:56 -08:00
d736da4208
Elf32, not shared lib: leave alone the hole between .text and .data
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In theory Linux might put pages there (and that would be a problem),
but postpone closing the gap until more experience.
modified: p_lx_elf.cpp
2018-01-28 13:30:10 -08:00
be83788666
--android-shlib for 32-bit ARM
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Includes better handling of asl_delta in execution stub.
modified: p_lx_elf.cpp
modified: p_lx_elf.h
modified: stub/src/arm.v4t-linux.shlib-init.S
modified: stub/src/arm64-linux.shlib-init.S
2018-01-27 22:00:16 -08:00
5a28a51abc
android shlib: better handling of asl_delta in execution stub
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modified: p_lx_elf.cpp
modified: stub/src/arm64-linux.shlib-init.S
2018-01-26 12:35:06 -08:00
8a84df752c
Compiler nit: ptr->ENUM is not always considered a constant
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modified: p_lx_elf.cpp
2018-01-26 11:54:33 -08:00
85f53b210d
de-compression of arm64 --android-shlib
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modified: src/p_lx_elf.cpp
modified: src/p_lx_elf.h
modified: src/stub/src/arm64-linux.shlib-init.S
2018-01-24 15:39:46 -08:00
5d13c6cd01
elfout is unset for shlib in PackLinuxElf64::updateLoader
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modified: p_lx_elf.cpp
2018-01-22 16:15:53 -08:00
e1d20fd0b5
Fix wobble in PackLinuxElf64::pack2
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modified: p_lx_elf.cpp
2018-01-22 13:48:26 -08:00
d1035ecd8f
Fix PLT for --android-shlib
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modified: p_lx_elf.cpp
modified: p_lx_elf.h
2018-01-22 13:05:18 -08:00
05e44b9644
Fix powerpc64 cross build.
2018-01-19 15:05:43 +01:00
John Reiser