Check /proc/self/auxv exists
modified: stub/src/amd64-linux.elf-so_main.c modified: stub/src/i386-linux.elf-so_main.c modified: stub/amd64-linux.elf-so_fold.h modified: stub/arm.v4a-linux.elf-so_fold.h modified: stub/arm.v5a-linux.elf-so_fold.h modified: stub/arm64-linux.elf-so_fold.h modified: stub/tmp/amd64-linux.elf-so_fold.bin.dump
This commit is contained in:
John Reiser
committed by
Markus F.X.J. Oberhumer
Markus F.X.J. Oberhumer
parent
e6ff68dc2c
commit
670aae2e11
Generated
+724
-724
File diff suppressed because it is too large
Load Diff
Generated
+1561
-1558
File diff suppressed because it is too large
Load Diff
Generated
+1567
-1565
File diff suppressed because it is too large
Load Diff
Generated
+1125
-1124
File diff suppressed because it is too large
Load Diff
@@ -379,15 +379,17 @@ make_hatch_arm64(
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static unsigned long
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get_PAGE_MASK(void) // the mask which KEEPS the page, discards the offset
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{
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int fd = openat(0, addr_string("/proc/self/auxv"), O_RDONLY, 0);
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unsigned long rv = ~0xffful; // default to (PAGE_SIZE == 4KiB)
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Elf64_auxv_t data[40];
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Elf64_auxv_t *end = &data[read(fd, data, sizeof(data)) / sizeof(data[0])];
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close(fd);
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Elf64_auxv_t *ptr; for (ptr = &data[0]; ptr < end ; ++ptr) {
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if (AT_PAGESZ == ptr->a_type) {
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rv = (0u - ptr->a_un.a_val);
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break;
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int fd = openat(0, addr_string("/proc/self/auxv"), O_RDONLY, 0);
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if (0 <= fd) {
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Elf64_auxv_t data[40];
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Elf64_auxv_t *end = &data[read(fd, data, sizeof(data)) / sizeof(data[0])];
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close(fd);
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Elf64_auxv_t *ptr; for (ptr = &data[0]; ptr < end ; ++ptr) {
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if (AT_PAGESZ == ptr->a_type) {
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rv = (0u - ptr->a_un.a_val);
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break;
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}
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}
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}
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DPRINTF("get_PAGE_MASK= %%p\\n", rv);
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@@ -436,15 +436,17 @@ unsigned
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get_PAGE_MASK(void) // the mask which KEEPS the page address
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{
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int fd = open(addr_string("/proc/self/auxv"), O_RDONLY, 0);
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Elf32_auxv_t data[40];
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Elf32_auxv_t *end = &data[read(fd, data, sizeof(data)) / sizeof(data[0])];
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close(fd);
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Elf32_auxv_t *ptr; for (ptr = &data[0]; ptr < end ; ++ptr) {
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if (AT_PAGESZ == ptr->a_type) {
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return (0u - ptr->a_un.a_val);
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if (fd >= 0) {
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Elf32_auxv_t data[40];
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Elf32_auxv_t *end = &data[read(fd, data, sizeof(data)) / sizeof(data[0])];
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close(fd);
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Elf32_auxv_t *ptr; for (ptr = &data[0]; ptr < end ; ++ptr) {
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if (AT_PAGESZ == ptr->a_type) {
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return (0u - ptr->a_un.a_val);
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}
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}
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}
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return ~0xfff;
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return ~0xFFF;
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}
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#endif //}
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+48
-48
@@ -2,19 +2,19 @@ file format elf64-x86-64
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Sections:
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Idx Name Size VMA LMA File off Algn Flags
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0 SO_MAIN 01224 0 0 040 2**4 CONTENTS
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1 EXP_HEAD 0e0 0 0 01264 2**0 CONTENTS
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2 NRV2E 0e5 0 0 01344 2**0 CONTENTS
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3 NRV2D 0d7 0 0 01429 2**0 CONTENTS
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4 NRV2B 0c1 0 0 01500 2**0 CONTENTS
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5 SO_HEAD 02c 0 0 015c1 2**0 CONTENTS
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6 ptr_NEXT 0 0 0 015ed 2**0 CONTENTS
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7 SO_TAIL 08c 0 0 015ed 2**0 CONTENTS
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8 LZMA_ELF00 064 0 0 01679 2**0 CONTENTS
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9 LZMA_DEC10 09f7 0 0 016dd 2**0 CONTENTS
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10 LZMA_DEC20 09f7 0 0 020d4 2**0 CONTENTS
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11 LZMA_DEC30 018 0 0 02acb 2**0 CONTENTS
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12 EXP_TAIL 0c 0 0 02ae3 2**0 CONTENTS
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0 SO_MAIN 01229 0 0 040 2**4 CONTENTS
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1 EXP_HEAD 0e0 0 0 01269 2**0 CONTENTS
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2 NRV2E 0e5 0 0 01349 2**0 CONTENTS
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3 NRV2D 0d7 0 0 0142e 2**0 CONTENTS
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4 NRV2B 0c1 0 0 01505 2**0 CONTENTS
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5 SO_HEAD 02c 0 0 015c6 2**0 CONTENTS
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6 ptr_NEXT 0 0 0 015f2 2**0 CONTENTS
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7 SO_TAIL 08c 0 0 015f2 2**0 CONTENTS
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8 LZMA_ELF00 064 0 0 0167e 2**0 CONTENTS
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9 LZMA_DEC10 09f7 0 0 016e2 2**0 CONTENTS
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10 LZMA_DEC20 09f7 0 0 020d9 2**0 CONTENTS
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11 LZMA_DEC30 018 0 0 02ad0 2**0 CONTENTS
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12 EXP_TAIL 0c 0 0 02ae8 2**0 CONTENTS
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SYMBOL TABLE:
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0000000000000000 l d EXP_HEAD 0 EXP_HEAD
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0000000000000000 l d LZMA_DEC30 0 LZMA_DEC30
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@@ -38,7 +38,7 @@ SYMBOL TABLE:
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0000000000000031 g SO_TAIL 0 mmap
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0000000000000000 g F SO_TAIL 0 eof
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000000000000006d g SO_TAIL 0 write
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000000000000067c g F SO_MAIN 01d PF_to_PROT
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0000000000000680 g F SO_MAIN 01d PF_to_PROT
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000000000000005b g SO_TAIL 0 memfd_create
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0000000000000071 g SO_TAIL 0 read
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0000000000000013 g SO_TAIL 0 memset
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@@ -48,7 +48,7 @@ SYMBOL TABLE:
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0000000000000066 g SO_TAIL 0 openat
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0000000000000079 g SO_TAIL 0 mprotect
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0000000000000062 g SO_TAIL 0 close
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0000000000000699 g F SO_MAIN 07c8 upx_so_main
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000000000000069d g F SO_MAIN 07c8 upx_so_main
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RELOCATION RECORDS FOR [SO_MAIN]:
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OFFSET TYPE VALUE
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@@ -60,39 +60,39 @@ OFFSET TYPE VALUE
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0000000000000460 R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000000482 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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000000000000048c R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000517 R_X86_64_PLT32 openat+0xfffffffffffffffc
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0000000000000532 R_X86_64_PLT32 read+0xfffffffffffffffc
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0000000000000540 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000621 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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0000000000000642 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000650 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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0000000000000798 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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00000000000007cd R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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00000000000008ef R_X86_64_PLT32 memfd_create+0xfffffffffffffffc
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0000000000000908 R_X86_64_PLT32 write+0xfffffffffffffffc
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000000000000091c R_X86_64_PLT32 write+0xfffffffffffffffc
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000000000000092b R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000000933 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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000000000000094e R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000955 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000bda R_X86_64_PLT32 memfd_create+0xfffffffffffffffc
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0000000000000bec R_X86_64_PLT32 ftruncate+0xfffffffffffffffc
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0000000000000bff R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000000c24 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000c5d R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000000d6e R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000000d76 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000d9c R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000da4 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000dae R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000dc4 R_X86_64_PLT32 Pprotect+0xfffffffffffffffc
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0000000000000ddf R_X86_64_PLT32 munmap+0xfffffffffffffffc
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000000000000103d R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000010a5 R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000010f7 R_X86_64_PLT32 write+0xfffffffffffffffc
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000000000000114b R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000011a7 R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000001203 R_X86_64_PLT32 write+0xfffffffffffffffc
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000000000000051e R_X86_64_PLT32 openat+0xfffffffffffffffc
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0000000000000536 R_X86_64_PLT32 read+0xfffffffffffffffc
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0000000000000544 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000625 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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0000000000000646 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000654 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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000000000000079c R_X86_64_PLT32 mmap+0xfffffffffffffffc
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00000000000007d1 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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00000000000008f3 R_X86_64_PLT32 memfd_create+0xfffffffffffffffc
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000000000000090c R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000000920 R_X86_64_PLT32 write+0xfffffffffffffffc
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000000000000092f R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000000937 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000952 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000959 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000bde R_X86_64_PLT32 memfd_create+0xfffffffffffffffc
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0000000000000bf0 R_X86_64_PLT32 ftruncate+0xfffffffffffffffc
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0000000000000c03 R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000000c28 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000c61 R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000000d72 R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000000d7a R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000da0 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000da8 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000db2 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000dc8 R_X86_64_PLT32 Pprotect+0xfffffffffffffffc
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0000000000000de3 R_X86_64_PLT32 munmap+0xfffffffffffffffc
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0000000000001043 R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000010aa R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000010fc R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000001150 R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000011ac R_X86_64_PLT32 write+0xfffffffffffffffc
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0000000000001208 R_X86_64_PLT32 write+0xfffffffffffffffc
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RELOCATION RECORDS FOR [NRV2E]:
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OFFSET TYPE VALUE
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