diff options
| author |   Ned Ludd <solar@gentoo.org> | 2005-01-18 17:37:35 +0000 |
|---|---|---|
| committer | Ned Ludd <solar@gentoo.org> | 2005-01-18 17:37:35 +0000 |
| commit | 4e0248261a8754160e44ede9c52e6f83a812845f (patch) | |
| tree | 15f425ffd8cdf2538845a29341f20ee6c85943cb /sys-kernel/grsec-sources/files | |
| parent | removed junit test to fix bug #71952. (diff) | |
| download | gentoo-2-4e0248261a8754160e44ede9c52e6f83a812845f.tar.gz gentoo-2-4e0248261a8754160e44ede9c52e6f83a812845f.tar.bz2 gentoo-2-4e0248261a8754160e44ede9c52e6f83a812845f.zip | |
- version bump for security bug #77666 and removed some older unneeded ebuilds.
(Portage version: 2.0.51-r13)
Diffstat (limited to 'sys-kernel/grsec-sources/files')
4 files changed, 47 insertions, 4 deletions
diff --git a/sys-kernel/grsec-sources/files/2.4.29-CAN-2005-0001.patch b/sys-kernel/grsec-sources/files/2.4.29-CAN-2005-0001.patch new file mode 100644 index 000000000000..6b687788f912 --- /dev/null +++ b/sys-kernel/grsec-sources/files/2.4.29-CAN-2005-0001.patch @@ -0,0 +1,44 @@ +# This is a BitKeeper generated diff -Nru style patch. +# +# ChangeSet +# 2005/01/12 09:14:50-02:00 marcelo.tosatti@cyclades.com +# [PATCH] Fix expand_stack() SMP race +# +# Description: Fix expand_stack() SMP race +# +# Two threads sharing the same VMA can race in expand_stack, resulting in incorrect VMA +# size accounting and possibly a "uncovered-by-VMA" pte leak. +# +# Fix is to check if the stack has already been expanded after acquiring a lock which +# guarantees exclusivity (page_table_lock in v2.4 and vma_anon lock in v2.6). +# +# include/linux/mm.h +# 2005/01/07 14:51:21-02:00 marcelo.tosatti@cyclades.com +10 -3 +# Fix expand_stack() SMP race +# +diff -Nru a/include/linux/mm.h b/include/linux/mm.h +--- a/include/linux/mm.h 2005-01-13 04:59:30 -08:00 ++++ b/include/linux/mm.h 2005-01-13 04:59:30 -08:00 +@@ -648,12 +648,19 @@ + unsigned long grow; + + /* +- * vma->vm_start/vm_end cannot change under us because the caller is required +- * to hold the mmap_sem in write mode. We need to get the spinlock only +- * before relocating the vma range ourself. ++ * vma->vm_start/vm_end cannot change under us because the caller ++ * is required to hold the mmap_sem in read mode. We need the ++ * page_table_lock lock to serialize against concurrent expand_stacks. + */ + address &= PAGE_MASK; + spin_lock(&vma->vm_mm->page_table_lock); ++ ++ /* already expanded while we were spinning? */ ++ if (vma->vm_start <= address) { ++ spin_unlock(&vma->vm_mm->page_table_lock); ++ return 0; ++ } ++ + grow = (vma->vm_start - address) >> PAGE_SHIFT; + if (vma->vm_end - address > current->rlim[RLIMIT_STACK].rlim_cur || + ((vma->vm_mm->total_vm + grow) << PAGE_SHIFT) > current->rlim[RLIMIT_AS].rlim_cur) { diff --git a/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.0.2-r1 b/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.0.2-r1 deleted file mode 100644 index 04b30398565d..000000000000 --- a/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.0.2-r1 +++ /dev/null @@ -1,2 +0,0 @@ -MD5 2f2e5e29772fdacd04129ba16a24afcf grsecurity-2.0.2-2.4.28.patch.gz 141933 -MD5 ac7735000d185bc7778c08288760a8a3 linux-2.4.28.tar.bz2 31064046 diff --git a/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.0.2-r2 b/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.0.2-r2 deleted file mode 100644 index 04b30398565d..000000000000 --- a/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.0.2-r2 +++ /dev/null @@ -1,2 +0,0 @@ -MD5 2f2e5e29772fdacd04129ba16a24afcf grsecurity-2.0.2-2.4.28.patch.gz 141933 -MD5 ac7735000d185bc7778c08288760a8a3 linux-2.4.28.tar.bz2 31064046 diff --git a/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.1.0-r1 b/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.1.0-r1 new file mode 100644 index 000000000000..c85fde9d5a55 --- /dev/null +++ b/sys-kernel/grsec-sources/files/digest-grsec-sources-2.4.28.2.1.0-r1 @@ -0,0 +1,3 @@ +MD5 afbd071ae702af4668b2aea32868a698 grsecurity-2.1.0-2.4.28-200501051112.patch 691305 +MD5 ac7735000d185bc7778c08288760a8a3 linux-2.4.28.tar.bz2 31064046 +MD5 3fa09a0d8ea8def546b840bde027d61b linux-2.4.28-CAN-2004-0814.patch 145009 |