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devel/elfutils/files/patch-libelf_elf_update.c
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| fbsd:nokeywords | null | yes \ No newline at end of property |
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| --- libelf/elf_update.c.orig 2018-09-14 03:23:36.000000000 -0700 | |||||
| +++ libelf/elf_update.c | |||||
| @@ -106,9 +106,13 @@ | |||||
| if (elf->cmd == ELF_C_RDWR_MMAP | |||||
| && (size_t) size > elf->maximum_size) | |||||
| { | |||||
| - if (mremap (elf->map_address, elf->maximum_size, | |||||
| - size, 0) == MAP_FAILED) | |||||
| + if (munmap (elf->map_address, elf->maximum_size) != 0 || | |||||
| + mmap (elf->map_address, size, PROT_READ | PROT_WRITE, | |||||
| + MAP_SHARED | MAP_FIXED | MAP_EXCL, elf->fildes, | |||||
| + 0) == MAP_FAILED) | |||||
| { | |||||
| + elf->map_address = NULL; | |||||
| + elf->flags &= ~ELF_F_MMAPPED; | |||||
| __libelf_seterrno (ELF_E_WRITE_ERROR); | |||||
| return -1; | |||||
| } | |||||