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Oleg Nesterov 329f7dba5f [PATCH] fix de_thread() vs send_group_sigqueue() race ... When non-leader thread does exec, de_thread calls release_task(leader) before calling exit_itimers(). If local timer interrupt happens in between, it can oops in send_group_sigqueue() while taking ->sighand->siglock == NULL. However, we can't change send_group_sigqueue() to check p->signal != NULL, because sys_timer_create() does get_task_struct() only in SIGEV_THREAD_ID case. So it is possible that this task_struct was already freed and we can't trust p->signal. This patch changes de_thread() so that leader released after exit_itimers() call. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Chris Wright <chrisw@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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9p	[PATCH] kfree cleanup: fs	19 years ago
adfs	…
affs	[PATCH] kfree cleanup: fs	19 years ago
afs	[PATCH] kfree cleanup: fs	19 years ago
autofs	[PATCH] kfree cleanup: fs	19 years ago
autofs4	[PATCH] kfree cleanup: fs	19 years ago
befs	[PATCH] kfree cleanup: fs	19 years ago
bfs	…
cifs	[PATCH] kfree cleanup: fs	19 years ago
coda	…
cramfs	…
debugfs	…
devfs	[PATCH] kfree cleanup: fs	19 years ago
devpts	…
efs	…
exportfs	…
ext2	[PATCH] kfree cleanup: fs	19 years ago
ext3	…
fat	…
freevxfs	[PATCH] vxfs: use generic_ro_fops	19 years ago
fuse	[PATCH] FUSE: pass file handle in setattr	19 years ago
hfs	…
hfsplus	…
hostfs	[PATCH] kfree cleanup: fs	19 years ago
hpfs	[PATCH] kfree cleanup: fs	19 years ago
hppfs	…
hugetlbfs	…
isofs	[PATCH] kfree cleanup: fs	19 years ago
jbd	[PATCH] kfree cleanup: fs	19 years ago
jffs	[PATCH] kfree cleanup: fs	19 years ago
jffs2	Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6	19 years ago
jfs	…
lockd	[PATCH] kfree cleanup: fs	19 years ago
minix	…
msdos	…
ncpfs	…
nfs	[PATCH] kfree cleanup: fs	19 years ago
nfs_common	…
nfsd	[PATCH] kfree cleanup: fs	19 years ago
nls	…
ntfs	…
openpromfs	[PATCH] kfree cleanup: fs	19 years ago
partitions	[PATCH] s390: cleanup of include/asm-s390/vtoc.h	19 years ago
proc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge	19 years ago
qnx4	…
ramfs	…
reiserfs	…
relayfs	…
romfs	…
smbfs	[PATCH] smbfs: 'names_cache' memory leak	19 years ago
sysfs	…
sysv	…
udf	[PATCH] kfree cleanup: fs	19 years ago
ufs	[PATCH] kfree cleanup: fs	19 years ago
vfat	…
xfs	[PATCH] mm: rename kmem_cache_s to kmem_cache	19 years ago
Kconfig	Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6	19 years ago
Kconfig.binfmt	…
Makefile	[PATCH] beginning of the shared-subtree proper	19 years ago
aio.c	[PATCH] aio: remove aio_max_nr accounting race	19 years ago
attr.c	…
bad_inode.c	…
binfmt_aout.c	…
binfmt_elf.c	[PATCH] kfree cleanup: fs	19 years ago
binfmt_elf_fdpic.c	[PATCH] kfree cleanup: fs	19 years ago
binfmt_em86.c	…
binfmt_flat.c	…
binfmt_misc.c	…
binfmt_script.c	…
binfmt_som.c	…
bio.c	…
block_dev.c	…
buffer.c	[PATCH] __find_get_block_slow() cleanup	19 years ago
char_dev.c	…
compat.c	…
compat_ioctl.c	[PATCH] kfree cleanup: fs	19 years ago
dcache.c	[PATCH] Remove hlist_for_each_rcu() API, convert existing use to hlist_for_each_entry_rcu	19 years ago
dcookies.c	…
direct-io.c	…
dnotify.c	…
dquot.c	[PATCH] saner handling of auto_acct_off() and DQUOT_OFF() in umount	19 years ago
eventpoll.c	…
exec.c	[PATCH] fix de_thread() vs send_group_sigqueue() race	19 years ago
fcntl.c	…
fifo.c	…
file.c	…
file_table.c	[PATCH] mm: rename kmem_cache_s to kmem_cache	19 years ago
filesystems.c	…
fs-writeback.c	[PATCH] kernel-docs: fix kernel-doc format problems	19 years ago
inode.c	…
inotify.c	…
ioctl.c	…
ioprio.c	…
libfs.c	…
locks.c	…
mbcache.c	[PATCH] kfree cleanup: fs	19 years ago
mpage.c	…
namei.c	[PATCH] VFS: pass file pointer to filesystem from ftruncate()	19 years ago
namespace.c	[PATCH] unbindable mounts	19 years ago
nfsctl.c	…
open.c	[PATCH] VFS: pass file pointer to filesystem from ftruncate()	19 years ago
pipe.c	…
pnode.c	[PATCH] unbindable mounts	19 years ago
pnode.h	[PATCH] unbindable mounts	19 years ago
posix_acl.c	…
quota.c	[PATCH] quota: small cleanups	19 years ago
quota_v1.c	…
quota_v2.c	…
read_write.c	…
readdir.c	…
select.c	…
seq_file.c	[PATCH] allow callers of seq_open do allocation themselves	19 years ago
stat.c	…
super.c	[PATCH] saner handling of auto_acct_off() and DQUOT_OFF() in umount	19 years ago
xattr.c	[PATCH] kfree cleanup: fs	19 years ago
xattr_acl.c	…