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8d9032bbe4
linux/fs
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Daisuke HATAYAMA 8d9032bbe4 elf coredump: add extended numbering support 
The current ELF dumper implementation can produce broken corefiles if
program headers exceed 65535.  This number is determined by the number of
vmas which the process have.  In particular, some extreme programs may use
more than 65535 vmas.  (If you google max_map_count, you can find some
users facing this problem.) This kind of program never be able to generate
correct coredumps.

This patch implements ``extended numbering'' that uses sh_info field of
the first section header instead of e_phnum field in order to represent
upto 4294967295 vmas.

This is supported by
AMD64-ABI(http://www.x86-64.org/documentation.html) and
Solaris(http://docs.sun.com/app/docs/doc/817-1984/).
Of course, we are preparing patches for gdb and binutils.

Signed-off-by: Daisuke HATAYAMA <d.hatayama@jp.fujitsu.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Greg Ungerer <gerg@snapgear.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-06 11:26:46 -08:00
..
9p fs/9p: Add hardlink support to .u extension 2010-03-05 15:04:42 -06:00
adfs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
affs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
afs make sure data is on disk before calling ->write_inode 2010-03-05 13:25:10 -05:00
autofs
autofs4 Use kill_litter_super() in autofs4 ->kill_sb() 2010-03-03 14:07:54 -05:00
befs befs: fix leak 2010-02-07 03:06:21 -05:00
bfs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
btrfs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
cachefiles CacheFiles: Fix a race in cachefiles_delete_object() vs rename 2010-02-20 10:06:35 -05:00
cifs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-03-04 08:15:33 -08:00
coda sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
configfs Fix configfs leak 2010-01-14 09:05:42 -05:00
cramfs
debugfs Lose the new_name argument of fsnotify_move() 2010-02-08 14:38:36 -05:00
devpts devpts_get_tty() should validate inode 2009-12-11 15:18:05 -08:00
dlm dlm: use bastmode in debugfs output 2010-02-26 12:15:54 -06:00
ecryptfs ecryptfs: use after free 2010-01-19 22:36:06 -06:00
efs
exofs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
exportfs nfs: new subdir Documentation/filesystems/nfs 2009-10-27 19:34:04 -04:00
ext2 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
ext3 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
ext4 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
fat pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
freevxfs
fscache FS-Cache: Avoid maybe-used-uninitialised warning on variable 2009-12-16 07:20:13 -08:00
fuse Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 2010-03-03 08:08:21 -08:00
gfs2 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
hfs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
hfsplus pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
hostfs
hpfs Don't mess with generic_permission() under ->d_lock in hpfs 2010-03-03 14:07:58 -05:00
hppfs hppfs can use existing proc_mnt, no need for do_kern_mount() in there 2010-03-03 14:08:00 -05:00
hugetlbfs Untangling ima mess, part 1: alloc_file() 2009-12-16 12:16:47 -05:00
isofs Merge branch 'for-2.6.33' of git://linux-nfs.org/~bfields/linux 2009-12-16 10:43:34 -08:00
jbd jbd: Delay discarding buffers in journal_unmap_buffer 2010-03-05 00:20:26 +01:00
jbd2 jbd2: clean up an assertion in jbd2_journal_commit_transaction() 2010-02-24 12:11:20 -05:00
jffs2 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2009-12-16 12:04:02 -08:00
jfs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
lockd Merge branch 'for-2.6.33' of git://linux-nfs.org/~bfields/linux 2009-12-16 10:43:34 -08:00
minix pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
ncpfs tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
nfs Merge branch 'writeback-for-2.6.34' into nfs-for-2.6.34 2010-03-05 15:46:18 -05:00
nfs_common
nfsd vfs: take f_lock on modifying f_mode after open time 2010-03-06 11:26:25 -08:00
nilfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-03-04 08:15:33 -08:00
nls
notify switch inotify_user to anon_inode 2010-02-19 03:35:12 -05:00
ntfs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
ocfs2 bitops: rename for_each_bit() to for_each_set_bit() 2010-03-06 11:26:23 -08:00
omfs pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
openpromfs
partitions block: Stop using byte offsets 2010-01-11 14:30:09 +01:00
proc proc: warn on non-existing proc entries 2010-03-06 11:26:45 -08:00
qnx4 qnx4: use hweight8 2009-12-16 07:20:18 -08:00
quota quota: stop using QUOTA_OK / NO_QUOTA 2010-03-05 00:20:31 +01:00
ramfs nommu: fix shared mmap after truncate shrinkage problems 2010-01-16 12:15:40 -08:00
reiserfs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
romfs fix leak in romfs_fill_super() 2010-01-26 22:22:26 -05:00
smbfs
squashfs Squashfs: get rid of obsolete definition in header file 2010-03-05 15:35:35 +00:00
sysfs sysfs: sysfs_sd_setattr set iattrs unconditionally 2010-02-16 15:42:42 -08:00
sysv pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
ubifs lib: build list_sort() only if needed 2010-03-06 11:26:35 -08:00
udf Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
ufs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
xfs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
aio.c aio: remove unused field 2009-12-16 07:20:13 -08:00
anon_inodes.c Sanitize f_flags helpers 2009-12-22 12:27:34 -05:00
attr.c fs: use rlimit helpers 2010-03-06 11:26:29 -08:00
bad_inode.c
binfmt_aout.c coredump: move dump_write() and dump_seek() into a header file 2010-03-06 11:26:45 -08:00
binfmt_elf_fdpic.c elf coredump: add extended numbering support 2010-03-06 11:26:46 -08:00
binfmt_elf.c elf coredump: add extended numbering support 2010-03-06 11:26:46 -08:00
binfmt_em86.c
binfmt_flat.c fs: use rlimit helpers 2010-03-06 11:26:29 -08:00
binfmt_misc.c
binfmt_script.c
binfmt_som.c Split 'flush_old_exec' into two functions 2010-01-29 08:22:01 -08:00
bio-integrity.c block: fix bugs in bio-integrity mempool usage 2010-01-30 20:28:19 +01:00
bio.c Revert "blkdev: fix merge_bvec_fn return value checks" 2010-03-02 19:17:34 +01:00
block_dev.c freeze_bdev: don't deactivate successfully frozen MS_RDONLY sb 2010-02-07 03:06:21 -05:00
buffer.c
char_dev.c
compat_binfmt_elf.c elf coredump: replace ELF_CORE_EXTRA_* macros by functions 2010-03-06 11:26:45 -08:00
compat_ioctl.c fs/compat_ioctl.c: suppress two warnings 2010-03-06 11:26:35 -08:00
compat.c compat.c: Remove dependence on nfsd private headers 2009-12-14 18:12:10 -05:00
dcache.c fix race in d_splice_alias() 2010-03-03 14:13:08 -05:00
dcookies.c
direct-io.c dio: fix use-after-free 2009-12-17 04:52:13 -05:00
drop_caches.c
eventfd.c eventfd - allow atomic read and waitqueue remove 2010-01-25 12:26:38 -02:00
eventpoll.c anonfd: Allow making anon files read-only 2009-12-22 12:27:34 -05:00
exec.c exec: create initial stack independent of PAGE_SIZE 2010-03-06 11:26:33 -08:00
fcntl.c fs: use rlimit helpers 2010-03-06 11:26:29 -08:00
fifo.c
file_table.c vfs: take f_lock on modifying f_mode after open time 2010-03-06 11:26:25 -08:00
file.c fs: use rlimit helpers 2010-03-06 11:26:29 -08:00
filesystems.c
fs_struct.c
fs-writeback.c pass writeback_control to ->write_inode 2010-03-05 13:25:52 -05:00
generic_acl.c make generic_acl slightly more generic 2009-12-16 12:16:49 -05:00
inode.c dquot: move dquot initialization responsibility into the filesystem 2010-03-05 00:20:30 +01:00
internal.h Take vfsmount_lock to fs/internal.h 2010-03-03 14:07:59 -05:00
ioctl.c __generic_block_fiemap(): fix for files bigger than 4GB 2009-11-12 07:26:01 -08:00
ioprio.c
Kconfig Revert "task_struct: make journal_info conditional" 2009-12-17 13:23:24 -08:00
Kconfig.binfmt
libfs.c libfs: Unexport and kill simple_prepare_write 2010-03-03 13:00:17 -05:00
locks.c Switch may_open() and break_lease() to passing O_... 2010-03-03 13:00:21 -05:00
Makefile
mbcache.c
mpage.c
namei.c Fix a dumb typo - use of & instead of && 2010-03-06 10:54:48 -08:00
namespace.c vfs: add NOFOLLOW flag to umount(2) 2010-03-03 14:08:00 -05:00
nfsctl.c Switch may_open() and break_lease() to passing O_... 2010-03-03 13:00:21 -05:00
no-block.c
open.c Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-03-05 13:20:53 -08:00
pipe.c fs: no games with DCACHE_UNHASHED 2009-12-17 10:51:40 -05:00
pnode.c Kill CL_PROPAGATION, sanitize fs/pnode.c:get_source() 2010-03-03 13:00:22 -05:00
pnode.h VFS: Clean up shared mount flag propagation 2010-03-03 14:07:55 -05:00
posix_acl.c
read_write.c sendfile(): check f_op.splice_write() rather than f_op.sendpage() 2009-11-04 09:09:52 +01:00
read_write.h
readdir.c
select.c fs: use rlimit helpers 2010-03-06 11:26:29 -08:00
seq_file.c seq_file: add RCU versions of new hlist/list iterators (v3) 2010-02-22 15:45:54 -08:00
signalfd.c anonfd: Allow making anon files read-only 2009-12-22 12:27:34 -05:00
splice.c sendfile(): check f_op.splice_write() rather than f_op.sendpage() 2009-11-04 09:09:52 +01:00
stack.c VFS/fsstack: handle 32-bit smp + preempt + large files in fsstack_copy_inode_size 2009-12-17 10:58:17 -05:00
stat.c Add unlocked version of inode_add_bytes() function 2009-12-23 13:33:54 +01:00
super.c Mirror MS_KERNMOUNT in ->mnt_flags 2010-03-03 14:08:00 -05:00
sync.c quota: move code from sync_quota_sb into vfs_quota_sync 2010-03-05 00:20:24 +01:00
timerfd.c anonfd: Allow making anon files read-only 2009-12-22 12:27:34 -05:00
utimes.c
xattr_acl.c VFS: Use GFP_NOFS in posix_acl_from_xattr() 2009-12-03 11:48:07 +00:00
xattr.c sanitize xattr handler prototypes 2009-12-16 12:16:49 -05:00