diff options
Diffstat (limited to 'sys-kernel/usermode-sources/files/usermode-sources-2.4.brk-locked.patch')
| -rw-r--r-- | sys-kernel/usermode-sources/files/usermode-sources-2.4.brk-locked.patch | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/sys-kernel/usermode-sources/files/usermode-sources-2.4.brk-locked.patch b/sys-kernel/usermode-sources/files/usermode-sources-2.4.brk-locked.patch deleted file mode 100644 index 4a1a249464e1..000000000000 --- a/sys-kernel/usermode-sources/files/usermode-sources-2.4.brk-locked.patch +++ /dev/null @@ -1,258 +0,0 @@ -diff -ur linux-2.4.28-gentoo-r4/arch/mips/kernel/irixelf.c linux-2.4.28-gentoo-r5/arch/mips/kernel/irixelf.c ---- linux-2.4.28-gentoo-r4/arch/mips/kernel/irixelf.c 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/arch/mips/kernel/irixelf.c 2005-01-07 20:20:32.000000000 +0000 -@@ -130,7 +130,7 @@ - end = PAGE_ALIGN(end); - if (end <= start) - return; -- do_brk(start, end - start); -+ do_brk_locked(start, end - start); - } - - -@@ -379,7 +379,7 @@ - - /* Map the last of the bss segment */ - if (last_bss > len) { -- do_brk(len, (last_bss - len)); -+ do_brk_locked(len, (last_bss - len)); - } - kfree(elf_phdata); - -@@ -567,7 +567,7 @@ - unsigned long v; - struct prda *pp; - -- v = do_brk (PRDA_ADDRESS, PAGE_SIZE); -+ v = do_brk_locked (PRDA_ADDRESS, PAGE_SIZE); - - if (v < 0) - return; -@@ -859,7 +859,7 @@ - len = (elf_phdata->p_filesz + elf_phdata->p_vaddr+ 0xfff) & 0xfffff000; - bss = elf_phdata->p_memsz + elf_phdata->p_vaddr; - if (bss > len) -- do_brk(len, bss-len); -+ do_brk_locked(len, bss-len); - kfree(elf_phdata); - return 0; - } -diff -ur linux-2.4.28-gentoo-r4/arch/sparc64/kernel/binfmt_aout32.c linux-2.4.28-gentoo-r5/arch/sparc64/kernel/binfmt_aout32.c ---- linux-2.4.28-gentoo-r4/arch/sparc64/kernel/binfmt_aout32.c 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/arch/sparc64/kernel/binfmt_aout32.c 2005-01-07 20:20:32.000000000 +0000 -@@ -49,7 +49,7 @@ - end = PAGE_ALIGN(end); - if (end <= start) - return; -- do_brk(start, end - start); -+ do_brk_locked(start, end - start); - } - - /* -@@ -246,10 +246,10 @@ - if (N_MAGIC(ex) == NMAGIC) { - loff_t pos = fd_offset; - /* Fuck me plenty... */ -- error = do_brk(N_TXTADDR(ex), ex.a_text); -+ error = do_brk_locked(N_TXTADDR(ex), ex.a_text); - bprm->file->f_op->read(bprm->file, (char *) N_TXTADDR(ex), - ex.a_text, &pos); -- error = do_brk(N_DATADDR(ex), ex.a_data); -+ error = do_brk_locked(N_DATADDR(ex), ex.a_data); - bprm->file->f_op->read(bprm->file, (char *) N_DATADDR(ex), - ex.a_data, &pos); - goto beyond_if; -@@ -257,7 +257,7 @@ - - if (N_MAGIC(ex) == OMAGIC) { - loff_t pos = fd_offset; -- do_brk(N_TXTADDR(ex) & PAGE_MASK, -+ do_brk_locked(N_TXTADDR(ex) & PAGE_MASK, - ex.a_text+ex.a_data + PAGE_SIZE - 1); - bprm->file->f_op->read(bprm->file, (char *) N_TXTADDR(ex), - ex.a_text+ex.a_data, &pos); -@@ -272,7 +272,7 @@ - - if (!bprm->file->f_op->mmap) { - loff_t pos = fd_offset; -- do_brk(0, ex.a_text+ex.a_data); -+ do_brk_locked(0, ex.a_text+ex.a_data); - bprm->file->f_op->read(bprm->file,(char *)N_TXTADDR(ex), - ex.a_text+ex.a_data, &pos); - goto beyond_if; -@@ -388,7 +388,7 @@ - len = PAGE_ALIGN(ex.a_text + ex.a_data); - bss = ex.a_text + ex.a_data + ex.a_bss; - if (bss > len) { -- error = do_brk(start_addr + len, bss - len); -+ error = do_brk_locked(start_addr + len, bss - len); - retval = error; - if (error != start_addr + len) - goto out; -diff -ur linux-2.4.28-gentoo-r4/fs/binfmt_aout.c linux-2.4.28-gentoo-r5/fs/binfmt_aout.c ---- linux-2.4.28-gentoo-r4/fs/binfmt_aout.c 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/fs/binfmt_aout.c 2005-01-07 20:20:32.000000000 +0000 -@@ -46,7 +46,7 @@ - start = PAGE_ALIGN(start); - end = PAGE_ALIGN(end); - if (end > start) { -- unsigned long addr = do_brk(start, end - start); -+ unsigned long addr = do_brk_locked(start, end - start); - if (BAD_ADDR(addr)) - return addr; - } -@@ -341,10 +341,10 @@ - loff_t pos = fd_offset; - /* Fuck me plenty... */ - /* <AOL></AOL> */ -- error = do_brk(N_TXTADDR(ex), ex.a_text); -+ error = do_brk_locked(N_TXTADDR(ex), ex.a_text); - bprm->file->f_op->read(bprm->file, (char *) N_TXTADDR(ex), - ex.a_text, &pos); -- error = do_brk(N_DATADDR(ex), ex.a_data); -+ error = do_brk_locked(N_DATADDR(ex), ex.a_data); - bprm->file->f_op->read(bprm->file, (char *) N_DATADDR(ex), - ex.a_data, &pos); - goto beyond_if; -@@ -365,7 +365,7 @@ - map_size = ex.a_text+ex.a_data; - #endif - -- error = do_brk(text_addr & PAGE_MASK, map_size); -+ error = do_brk_locked(text_addr & PAGE_MASK, map_size); - if (error != (text_addr & PAGE_MASK)) { - send_sig(SIGKILL, current, 0); - return error; -@@ -399,7 +399,7 @@ - - if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) { - loff_t pos = fd_offset; -- do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data); -+ do_brk_locked(N_TXTADDR(ex), ex.a_text+ex.a_data); - bprm->file->f_op->read(bprm->file,(char *)N_TXTADDR(ex), - ex.a_text+ex.a_data, &pos); - flush_icache_range((unsigned long) N_TXTADDR(ex), -@@ -500,7 +500,7 @@ - error_time = jiffies; - } - -- do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss); -+ do_brk_locked(start_addr, ex.a_text + ex.a_data + ex.a_bss); - - file->f_op->read(file, (char *)start_addr, - ex.a_text + ex.a_data, &pos); -@@ -524,7 +524,7 @@ - len = PAGE_ALIGN(ex.a_text + ex.a_data); - bss = ex.a_text + ex.a_data + ex.a_bss; - if (bss > len) { -- error = do_brk(start_addr + len, bss - len); -+ error = do_brk_locked(start_addr + len, bss - len); - retval = error; - if (error != start_addr + len) - goto out; -diff -ur linux-2.4.28-gentoo-r4/fs/binfmt_elf.c linux-2.4.28-gentoo-r5/fs/binfmt_elf.c ---- linux-2.4.28-gentoo-r4/fs/binfmt_elf.c 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/fs/binfmt_elf.c 2005-01-07 20:20:46.000000000 +0000 -@@ -130,7 +130,7 @@ - end = PAGE_ALIGN(end); - if (end <= start) - return; -- do_brk(start, end - start); -+ do_brk_locked(start, end - start); - } - - -@@ -295,7 +297,9 @@ static unsigned long load_elf_interp(str - */ - if (interp_elf_ex->e_phentsize != sizeof(struct elf_phdr)) - goto out; -- if (interp_elf_ex->e_phnum > 65536U / sizeof(struct elf_phdr)) -+ -+ if (interp_elf_ex->e_phnum < 1 || -+ interp_elf_ex->e_phnum > 65536U / sizeof(struct elf_phdr)) - goto out; - - /* Now read in all of the header information */ -@@ -370,7 +370,7 @@ - - /* Map the last of the bss segment */ - if (last_bss > elf_bss) -- do_brk(elf_bss, last_bss - elf_bss); -+ do_brk_locked(elf_bss, last_bss - elf_bss); - - *interp_load_addr = load_addr; - error = ((unsigned long) interp_elf_ex->e_entry) + load_addr; -@@ -407,7 +407,7 @@ - goto out; - } - -- do_brk(0, text_data); -+ do_brk_locked(0, text_data); - retval = -ENOEXEC; - if (!interpreter->f_op || !interpreter->f_op->read) - goto out; -@@ -415,7 +415,7 @@ - flush_icache_range((unsigned long)addr, - (unsigned long)addr + text_data); - -- do_brk(ELF_PAGESTART(text_data + ELF_MIN_ALIGN - 1), -+ do_brk_locked(ELF_PAGESTART(text_data + ELF_MIN_ALIGN - 1), - interp_ex->a_bss); - elf_entry = interp_ex->a_entry; - -@@ -1271,7 +1271,7 @@ - len = ELF_PAGESTART(elf_phdata->p_filesz + elf_phdata->p_vaddr + ELF_MIN_ALIGN - 1); - bss = elf_phdata->p_memsz + elf_phdata->p_vaddr; - if (bss > len) -- do_brk(len, bss - len); -+ do_brk_locked(len, bss - len); - error = 0; - - out_free_ph: -diff -ur linux-2.4.28-gentoo-r4/include/linux/mm.h linux-2.4.28-gentoo-r5/include/linux/mm.h ---- linux-2.4.28-gentoo-r4/include/linux/mm.h 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/include/linux/mm.h 2005-01-07 20:20:32.000000000 +0000 -@@ -601,6 +601,7 @@ - extern int do_munmap(struct mm_struct *, unsigned long, size_t); - - extern unsigned long do_brk(unsigned long, unsigned long); -+extern unsigned long do_brk_locked(unsigned long, unsigned long); - - static inline void __vma_unlink(struct mm_struct * mm, struct vm_area_struct * vma, struct vm_area_struct * prev) - { -diff -ur linux-2.4.28-gentoo-r4/kernel/ksyms.c linux-2.4.28-gentoo-r5/kernel/ksyms.c ---- linux-2.4.28-gentoo-r4/kernel/ksyms.c 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/kernel/ksyms.c 2005-01-07 20:20:32.000000000 +0000 -@@ -90,6 +90,7 @@ - EXPORT_SYMBOL(__do_mmap_pgoff); - EXPORT_SYMBOL(do_munmap); - EXPORT_SYMBOL(do_brk); -+EXPORT_SYMBOL(do_brk_locked); - EXPORT_SYMBOL(exit_mm); - EXPORT_SYMBOL(exit_files); - EXPORT_SYMBOL(exit_fs); -diff -ur linux-2.4.28-gentoo-r4/mm/mmap.c linux-2.4.28-gentoo-r5/mm/mmap.c ---- linux-2.4.28-gentoo-r4/mm/mmap.c 2005-01-07 20:33:12.000000000 +0000 -+++ linux-2.4.28-gentoo-r5/mm/mmap.c 2005-01-07 20:20:32.000000000 +0000 -@@ -1401,6 +1401,21 @@ - return addr; - } - -+/* locking version of do_brk. */ -+unsigned long do_brk_locked(unsigned long addr, unsigned long len) -+{ -+ unsigned long ret; -+ -+ down_write(¤t->mm->mmap_sem); -+ ret = do_brk(addr, len); -+ up_write(¤t->mm->mmap_sem); -+ -+ return ret; -+} -+ -+ -+ -+ - /* Build the RB tree corresponding to the VMA list. */ - void build_mmap_rb(struct mm_struct * mm) - { |