diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index bad5243..06435f3 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1151,11 +1151,23 @@
 
 static int dump_seek(struct file *file, loff_t off)
 {
-	if (file->f_op->llseek) {
-		if (file->f_op->llseek(file, off, 0) != off)
+	if (file->f_op->llseek && file->f_op->llseek != no_llseek) {
+		if (file->f_op->llseek(file, off, 1) != off)
 			return 0;
-	} else
-		file->f_pos = off;
+	} else {
+		char *buf = (char *)get_zeroed_page(GFP_KERNEL);
+		if (!buf)
+			return 0;
+		while (off > 0) {
+			unsigned long n = off;
+			if (n > PAGE_SIZE)
+				n = PAGE_SIZE;
+			if (!dump_write(file, buf, n))
+				return 0;
+			off -= n;
+		}
+		free_page((unsigned long)buf);
+	}
 	return 1;
 }
 
@@ -1203,30 +1215,35 @@
 	return sz;
 }
 
-#define DUMP_WRITE(addr, nr)	\
-	do { if (!dump_write(file, (addr), (nr))) return 0; } while(0)
-#define DUMP_SEEK(off)	\
-	do { if (!dump_seek(file, (off))) return 0; } while(0)
+#define DUMP_WRITE(addr, nr, foffset)	\
+	do { if (!dump_write(file, (addr), (nr))) return 0; *foffset += (nr); } while(0)
 
-static int writenote(struct memelfnote *men, struct file *file)
+static int alignfile(struct file *file, loff_t *foffset)
+{
+	char buf[4] = { 0, };
+	DUMP_WRITE(buf, roundup(*foffset, 4) - *foffset, foffset);
+	return 1;
+}
+
+static int writenote(struct memelfnote *men, struct file *file,
+			loff_t *foffset)
 {
 	struct elf_note en;
-
 	en.n_namesz = strlen(men->name) + 1;
 	en.n_descsz = men->datasz;
 	en.n_type = men->type;
 
-	DUMP_WRITE(&en, sizeof(en));
-	DUMP_WRITE(men->name, en.n_namesz);
-	/* XXX - cast from long long to long to avoid need for libgcc.a */
-	DUMP_SEEK(roundup((unsigned long)file->f_pos, 4));	/* XXX */
-	DUMP_WRITE(men->data, men->datasz);
-	DUMP_SEEK(roundup((unsigned long)file->f_pos, 4));	/* XXX */
+	DUMP_WRITE(&en, sizeof(en), foffset);
+	DUMP_WRITE(men->name, en.n_namesz, foffset);
+	if (!alignfile(file, foffset))
+		return 0;
+	DUMP_WRITE(men->data, men->datasz, foffset);
+	if (!alignfile(file, foffset))
+		return 0;
 
 	return 1;
 }
 #undef DUMP_WRITE
-#undef DUMP_SEEK
 
 #define DUMP_WRITE(addr, nr)	\
 	if ((size += (nr)) > limit || !dump_write(file, (addr), (nr))) \
@@ -1426,7 +1443,7 @@
 	int i;
 	struct vm_area_struct *vma;
 	struct elfhdr *elf = NULL;
-	loff_t offset = 0, dataoff;
+	loff_t offset = 0, dataoff, foffset;
 	unsigned long limit = current->signal->rlim[RLIMIT_CORE].rlim_cur;
 	int numnote;
 	struct memelfnote *notes = NULL;
@@ -1569,7 +1586,8 @@
 		DUMP_WRITE(&phdr, sizeof(phdr));
 	}
 
-	/* Page-align dumped data */
+	foffset = offset;
+
 	dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
 
 	/* Write program headers for segments dump */
@@ -1594,6 +1612,7 @@
 		phdr.p_align = ELF_EXEC_PAGESIZE;
 
 		DUMP_WRITE(&phdr, sizeof(phdr));
+		foffset += sizeof(phdr);
 	}
 
 #ifdef ELF_CORE_WRITE_EXTRA_PHDRS
@@ -1602,7 +1621,7 @@
 
  	/* write out the notes section */
 	for (i = 0; i < numnote; i++)
-		if (!writenote(notes + i, file))
+		if (!writenote(notes + i, file, &foffset))
 			goto end_coredump;
 
 	/* write out the thread status notes section */
@@ -1611,11 +1630,12 @@
 				list_entry(t, struct elf_thread_status, list);
 
 		for (i = 0; i < tmp->num_notes; i++)
-			if (!writenote(&tmp->notes[i], file))
+			if (!writenote(&tmp->notes[i], file, &foffset))
 				goto end_coredump;
 	}
- 
-	DUMP_SEEK(dataoff);
+
+	/* Align to page */
+	DUMP_SEEK(dataoff - foffset);
 
 	for (vma = current->mm->mmap; vma != NULL; vma = vma->vm_next) {
 		unsigned long addr;
@@ -1631,10 +1651,10 @@
 
 			if (get_user_pages(current, current->mm, addr, 1, 0, 1,
 						&page, &vma) <= 0) {
-				DUMP_SEEK(file->f_pos + PAGE_SIZE);
+				DUMP_SEEK(PAGE_SIZE);
 			} else {
 				if (page == ZERO_PAGE(addr)) {
-					DUMP_SEEK(file->f_pos + PAGE_SIZE);
+					DUMP_SEEK(PAGE_SIZE);
 				} else {
 					void *kaddr;
 					flush_cache_page(vma, addr,
@@ -1658,13 +1678,6 @@
 	ELF_CORE_WRITE_EXTRA_DATA;
 #endif
 
-	if (file->f_pos != offset) {
-		/* Sanity check */
-		printk(KERN_WARNING
-		       "elf_core_dump: file->f_pos (%Ld) != offset (%Ld)\n",
-		       file->f_pos, offset);
-	}
-
 end_coredump:
 	set_fs(fs);
 
diff --git a/fs/exec.c b/fs/exec.c
index 0db3fc3..6270f8f 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -58,7 +58,7 @@
 #endif
 
 int core_uses_pid;
-char core_pattern[65] = "core";
+char core_pattern[128] = "core";
 int suid_dumpable = 0;
 
 EXPORT_SYMBOL(suid_dumpable);
@@ -1463,6 +1463,7 @@
 	int retval = 0;
 	int fsuid = current->fsuid;
 	int flag = 0;
+	int ispipe = 0;
 
 	binfmt = current->binfmt;
 	if (!binfmt || !binfmt->core_dump)
@@ -1504,22 +1505,34 @@
  	lock_kernel();
 	format_corename(corename, core_pattern, signr);
 	unlock_kernel();
-	file = filp_open(corename, O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE | flag, 0600);
+ 	if (corename[0] == '|') {
+		/* SIGPIPE can happen, but it's just never processed */
+ 		if(call_usermodehelper_pipe(corename+1, NULL, NULL, &file)) {
+ 			printk(KERN_INFO "Core dump to %s pipe failed\n",
+			       corename);
+ 			goto fail_unlock;
+ 		}
+		ispipe = 1;
+ 	} else
+ 		file = filp_open(corename,
+				 O_CREAT | 2 | O_NOFOLLOW | O_LARGEFILE, 0600);
 	if (IS_ERR(file))
 		goto fail_unlock;
 	inode = file->f_dentry->d_inode;
 	if (inode->i_nlink > 1)
 		goto close_fail;	/* multiple links - don't dump */
-	if (d_unhashed(file->f_dentry))
+	if (!ispipe && d_unhashed(file->f_dentry))
 		goto close_fail;
 
-	if (!S_ISREG(inode->i_mode))
+	/* AK: actually i see no reason to not allow this for named pipes etc.,
+	   but keep the previous behaviour for now. */
+	if (!ispipe && !S_ISREG(inode->i_mode))
 		goto close_fail;
 	if (!file->f_op)
 		goto close_fail;
 	if (!file->f_op->write)
 		goto close_fail;
-	if (do_truncate(file->f_dentry, 0, 0, file) != 0)
+	if (!ispipe && do_truncate(file->f_dentry, 0, 0, file) != 0)
 		goto close_fail;
 
 	retval = binfmt->core_dump(signr, regs, file);
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 5c63c53..f8121b9 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -35,6 +35,7 @@
 #include <linux/mount.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/resource.h>
 #include <asm/uaccess.h>
 
 extern int max_threads;
@@ -158,6 +159,9 @@
 		FD_SET(0, fdt->open_fds);
 		FD_CLR(0, fdt->close_on_exec);
 		spin_unlock(&f->file_lock);
+
+		/* and disallow core files too */
+		current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0};
 	}
 
 	/* We can run anywhere, unlike our parent keventd(). */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c57c453..ba42694 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -294,7 +294,7 @@
 		.ctl_name	= KERN_CORE_PATTERN,
 		.procname	= "core_pattern",
 		.data		= core_pattern,
-		.maxlen		= 64,
+		.maxlen		= 128,
 		.mode		= 0644,
 		.proc_handler	= &proc_dostring,
 		.strategy	= &sysctl_string,