msync for *-so_fold.S
Android 14 returnes -EINVAL but can be ignored modified: stub/arm64-linux.elf-so_fold.h 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/i386-linux.elf-so_fold.h modified: stub/src/amd64-linux.elf-so_main.c modified: stub/src/i386-linux.elf-so_main.c modified: stub/src/arm.v4a-linux.elf-so_entry.S modified: stub/src/arm.v4a-linux.elf-so_fold.S
This commit is contained in:
John Reiser
Generated
+1166
-1160
File diff suppressed because it is too large
Load Diff
Generated
+2098
-2090
File diff suppressed because it is too large
Load Diff
Generated
+2124
-2116
File diff suppressed because it is too large
Load Diff
Generated
+1034
-1029
File diff suppressed because it is too large
Load Diff
Generated
+1021
-1019
File diff suppressed because it is too large
Load Diff
@@ -36,7 +36,9 @@
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extern unsigned Pprotect(void *, size_t, unsigned);
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extern void *Pmap(void *, size_t, unsigned, unsigned, int, size_t);
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extern int Punmap(void *, size_t);
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extern int msync(void const *, size_t, unsigned);
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extern size_t Pwrite(unsigned, void const *, size_t);
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#define MS_SYNC 4
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extern void f_int3(int arg);
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@@ -457,6 +459,10 @@ fini_SELinux(
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size, ptr, phdr, mfd, base);
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if (phdr->p_flags & PF_X) {
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// Map the contents of mfd as per *phdr.
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msync(ptr, size, MS_SYNC); // be sure file gets de-compressed bytes
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// Android 14 gets -EINVAL; ignore it
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Punmap(ptr, size);
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Pmap(ptr, size, PF_to_PROT(phdr), MAP_FIXED|MAP_PRIVATE, mfd, 0);
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close(mfd);
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@@ -93,6 +93,7 @@ __NR_memfd_create= 385 + __NR_SYSCALL_BASE
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__NR_mkdir= 39 + __NR_SYSCALL_BASE
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__NR_mmap2= 192 + __NR_SYSCALL_BASE
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__NR_mprotect=125 + __NR_SYSCALL_BASE
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__NR_msync= 144 + __NR_SYSCALL_BASE // 0x90
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__NR_open= 5 + __NR_SYSCALL_BASE
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__NR_openat= 322 + __NR_SYSCALL_BASE
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__NR_read= 3 + __NR_SYSCALL_BASE
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@@ -213,6 +213,7 @@ __NR_mkdir= 39 + __NR_SYSCALL_BASE
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__NR_mmap2= 192 + __NR_SYSCALL_BASE
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__NR_munmap= 91 + __NR_SYSCALL_BASE // 0x5b
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__NR_mprotect=125 + __NR_SYSCALL_BASE
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__NR_msync= 144 + __NR_SYSCALL_BASE // 0x90
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__NR_open= 5 + __NR_SYSCALL_BASE
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__NR_read= 3 + __NR_SYSCALL_BASE
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__NR_stat= 106 + __NR_SYSCALL_BASE
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@@ -235,6 +236,7 @@ __NR_write= 4 + __NR_SYSCALL_BASE
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.globl lseek; lseek: do_sys __NR_lseek; ret
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.globl mkdir; mkdir: do_sys __NR_mkdir; ret
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.globl mprotect; mprotect: do_sys __NR_mprotect; ret
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.globl msync; msync: do_sys __NR_msync; ret
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.globl munmap; munmap: do_sys __NR_munmap; ret
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.globl open; open: do_sys __NR_open; ret
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.globl read; read: do_sys __NR_read; ret
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@@ -41,6 +41,9 @@ unsigned Pprotect(void *, size_t, unsigned);
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void *mmap(void *, size_t, int, int, int, off_t);
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void *Pmap(void *, size_t, int, int, int, off_t);
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int Punmap(void *, size_t);
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extern int msync(void const *, size_t, unsigned);
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#define MS_SYNC 4
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#define EINVAL 22 /* Invalid argument */
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#if defined(__i386__) || defined(__mips__) || defined(__powerpc__) //{
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# define mmap_privanon(addr,len,prot,flgs) mmap((addr),(len),(prot), \
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@@ -483,6 +486,10 @@ fini_SELinux(
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size, ptr, phdr, mfd, base);
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if (phdr->p_flags & PF_X) {
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// Map the contents of mfd as per *phdr.
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msync(ptr, size, MS_SYNC); // be sure file gets de-compressed bytes
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// Android 14 gets -EINVAL; ignore it
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Punmap(ptr, size);
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Pmap(ptr, size, PF_to_PROT(phdr), MAP_FIXED|MAP_PRIVATE, mfd, 0);
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close(mfd);
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+35
-34
@@ -3,21 +3,21 @@ 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 UMF_LINUX 0d2 0 0 040 2**2 CONTENTS
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1 SO_MAIN 07e4 0 0 0120 2**4 CONTENTS
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2 SO_HEAD 02c 0 0 0904 2**0 CONTENTS
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3 ptr_NEXT 0 0 0 0930 2**0 CONTENTS
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4 SO_TAIL 0b1 0 0 0930 2**0 CONTENTS
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5 EXP_HEAD 0e9 0 0 09e1 2**0 CONTENTS
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6 NRV2E 0e8 0 0 0aca 2**0 CONTENTS
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7 NRV2D 0db 0 0 0bb2 2**0 CONTENTS
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8 NRV2B 0c4 0 0 0c8d 2**0 CONTENTS
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9 LZMA_DAISY 0a 0 0 0d51 2**0 CONTENTS
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10 LZMA_ELF00 065 0 0 0d5b 2**0 CONTENTS
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11 LZMA_DEC10 09f7 0 0 0dc0 2**0 CONTENTS
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12 LZMA_DEC20 09f7 0 0 017b7 2**0 CONTENTS
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13 LZMA_DEC30 019 0 0 021ae 2**0 CONTENTS
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14 EXP_TAIL 014 0 0 021c8 2**2 CONTENTS
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15 STRCON 0d 0 0 021dc 2**0 CONTENTS
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1 SO_MAIN 07f4 0 0 0120 2**4 CONTENTS
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2 SO_HEAD 02c 0 0 0914 2**0 CONTENTS
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3 ptr_NEXT 0 0 0 0940 2**0 CONTENTS
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4 SO_TAIL 0b1 0 0 0940 2**0 CONTENTS
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5 EXP_HEAD 0e9 0 0 09f1 2**0 CONTENTS
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6 NRV2E 0e8 0 0 0ada 2**0 CONTENTS
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7 NRV2D 0db 0 0 0bc2 2**0 CONTENTS
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8 NRV2B 0c4 0 0 0c9d 2**0 CONTENTS
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9 LZMA_DAISY 0a 0 0 0d61 2**0 CONTENTS
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10 LZMA_ELF00 065 0 0 0d6b 2**0 CONTENTS
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11 LZMA_DEC10 09f7 0 0 0dd0 2**0 CONTENTS
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12 LZMA_DEC20 09f7 0 0 017c7 2**0 CONTENTS
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13 LZMA_DEC30 019 0 0 021be 2**0 CONTENTS
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14 EXP_TAIL 014 0 0 021d8 2**2 CONTENTS
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15 STRCON 0d 0 0 021ec 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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@@ -39,14 +39,14 @@ SYMBOL TABLE:
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0000000000000000 g EXP_HEAD 0 f_expand
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0000000000000074 g SO_TAIL 0 munmap
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0000000000000014 g EXP_TAIL 0 upx_mmap_and_fd
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00000000000003f8 g F SO_MAIN 09c fini_SELinux
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00000000000003f8 g F SO_MAIN 0ac fini_SELinux
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000000000000001c g SO_TAIL 0 memcpy
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0000000000000031 g SO_TAIL 0 O_BINFO
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000000000000007c g SO_TAIL 0 ftruncate
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000000000000003f g SO_TAIL 0 mmap
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0000000000000000 g F UMF_LINUX 0d2 upx_mmap_and_fd_linux
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0000000000000000 g F SO_TAIL 0 eof
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0000000000000494 g F SO_MAIN 0b9 prep_SELinux
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00000000000004a4 g F SO_MAIN 0b9 prep_SELinux
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0000000000000096 g SO_TAIL 0 write
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00000000000003db g F SO_MAIN 01d PF_to_PROT
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0000000000000080 g SO_TAIL 0 memfd_create
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@@ -63,7 +63,7 @@ SYMBOL TABLE:
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0000000000000051 g SO_TAIL 0 open
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00000000000000ad g SO_TAIL 0 mprotect
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000000000000008b g SO_TAIL 0 close
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000000000000054d g F SO_MAIN 0297 upx_so_main
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000000000000055d g F SO_MAIN 0297 upx_so_main
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RELOCATION RECORDS FOR [UMF_LINUX]:
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OFFSET TYPE VALUE
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@@ -92,22 +92,23 @@ OFFSET TYPE VALUE
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0000000000000374 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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0000000000000382 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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00000000000003a7 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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000000000000042b R_X86_64_PLT32 Punmap+0xfffffffffffffffc
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0000000000000433 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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000000000000044e R_X86_64_PLT32 Pmap+0xfffffffffffffffc
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0000000000000456 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000460 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000472 R_X86_64_PLT32 Pprotect+0xfffffffffffffffc
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00000000000004cc R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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00000000000004de R_X86_64_PLT32 upx_mmap_and_fd+0xfffffffffffffffc
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000000000000050d R_X86_64_PLT32 my_bkpt+0xfffffffffffffffc
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000000000000051f R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000005d1 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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00000000000005e2 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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0000000000000725 R_X86_64_PLT32 prep_SELinux+0xfffffffffffffffc
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0000000000000781 R_X86_64_PLT32 make_hatch+0xfffffffffffffffc
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000000000000079e R_X86_64_PLT32 fini_SELinux+0xfffffffffffffffc
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00000000000007bb R_X86_64_PLT32 Punmap+0xfffffffffffffffc
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0000000000000430 R_X86_64_PLT32 msync+0xfffffffffffffffc
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000000000000043b R_X86_64_PLT32 Punmap+0xfffffffffffffffc
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0000000000000443 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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000000000000045e R_X86_64_PLT32 Pmap+0xfffffffffffffffc
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0000000000000466 R_X86_64_PLT32 close+0xfffffffffffffffc
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0000000000000470 R_X86_64_PLT32 PF_to_PROT+0xfffffffffffffffc
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0000000000000482 R_X86_64_PLT32 Pprotect+0xfffffffffffffffc
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00000000000004dc R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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00000000000004ee R_X86_64_PLT32 upx_mmap_and_fd+0xfffffffffffffffc
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000000000000051d R_X86_64_PLT32 my_bkpt+0xfffffffffffffffc
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000000000000052f R_X86_64_PLT32 write+0xfffffffffffffffc
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00000000000005e1 R_X86_64_PLT32 mmap+0xfffffffffffffffc
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00000000000005f2 R_X86_64_PLT32 memcpy+0xfffffffffffffffc
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0000000000000735 R_X86_64_PLT32 prep_SELinux+0xfffffffffffffffc
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0000000000000791 R_X86_64_PLT32 make_hatch+0xfffffffffffffffc
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00000000000007ae R_X86_64_PLT32 fini_SELinux+0xfffffffffffffffc
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00000000000007cb R_X86_64_PLT32 Punmap+0xfffffffffffffffc
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RELOCATION RECORDS FOR [SO_HEAD]:
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OFFSET TYPE VALUE
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