diff options
Diffstat (limited to 'patches/linux-2.4.10.patch')
| -rw-r--r-- | patches/linux-2.4.10.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/patches/linux-2.4.10.patch b/patches/linux-2.4.10.patch new file mode 100644 index 0000000..dbd6702 --- /dev/null +++ b/patches/linux-2.4.10.patch @@ -0,0 +1,50 @@ +--- linux/fs/binfmt_elf.c.jj Thu Sep 6 16:12:04 2001 ++++ linux/fs/binfmt_elf.c Mon Oct 1 08:22:06 2001 +@@ -400,7 +400,6 @@ static int load_elf_binary(struct linux_ + int load_addr_set = 0; + char * elf_interpreter = NULL; + unsigned int interpreter_type = INTERPRETER_NONE; +- mm_segment_t old_fs; + unsigned long error; + struct elf_phdr * elf_ppnt, *elf_phdata; + unsigned long elf_bss, k, elf_brk; +@@ -574,8 +573,6 @@ static int load_elf_binary(struct linux_ + the image should be loaded at fixed address, not at a variable + address. */ + +- old_fs = get_fs(); +- set_fs(get_ds()); + for(i = 0, elf_ppnt = elf_phdata; i < elf_ex.e_phnum; i++, elf_ppnt++) { + int elf_prot = 0, elf_flags; + unsigned long vaddr; +@@ -583,6 +580,22 @@ static int load_elf_binary(struct linux_ + if (elf_ppnt->p_type != PT_LOAD) + continue; + ++ if (unlikely (elf_brk > elf_bss)) { ++ unsigned long nbyte; ++ ++ /* There was a PT_LOAD segment with p_memsz > p_filesz ++ before this one. Map anonymous pages, if needed, ++ and clear the area. */ ++ set_brk (elf_bss + load_bias, elf_brk + load_bias); ++ nbyte = ELF_PAGEOFFSET(elf_bss); ++ if (nbyte) { ++ nbyte = ELF_MIN_ALIGN - nbyte; ++ if (nbyte > elf_brk - elf_bss) ++ nbyte = elf_brk - elf_bss; ++ clear_user((void *) elf_bss + elf_bias, nbyte); ++ } ++ } ++ + if (elf_ppnt->p_flags & PF_R) elf_prot |= PROT_READ; + if (elf_ppnt->p_flags & PF_W) elf_prot |= PROT_WRITE; + if (elf_ppnt->p_flags & PF_X) elf_prot |= PROT_EXEC; +@@ -626,7 +639,6 @@ static int load_elf_binary(struct linux_ + if (k > elf_brk) + elf_brk = k; + } +- set_fs(old_fs); + + elf_entry += load_bias; + elf_bss += load_bias; |