The patch titled
proc: fix ->stack_start in compat mode
has been added to the -mm tree. Its filename is
proc-fix-stack_start-in-compat-mode.patch
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------------------------------------------------------
Subject: proc: fix ->stack_start in compat mode
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Assign tsk->stack_start even when doing compat execve(2).
As side effect, fix segfault inside boehm-gc library.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=14478
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Reported-by: Michael S. Tsirkin <m.s.tsirkin@xxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN fs/compat.c~proc-fix-stack_start-in-compat-mode fs/compat.c
--- a/fs/compat.c~proc-fix-stack_start-in-compat-mode
+++ a/fs/compat.c
@@ -1531,6 +1531,8 @@ int compat_do_execve(char * filename,
if (retval < 0)
goto out;
+ current->stack_start = current->mm->start_stack;
+
/* execve succeeded */
current->fs->in_exec = 0;
current->in_execve = 0;
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
revert-mm-oom-analysis-add-buffer-cache-information-to-show_free_areas.patch
loop-fix-null-dereference-if-mount-fails.patch
sysctl-fix-false-positives-when-proc_sysctl=n.patch
linux-next.patch
genirq-switch-proc-irq-spurious-to-seq_file.patch
proc-fix-stack_start-in-compat-mode.patch
const-constify-remaining-pipe_buf_operations.patch
reiserfs-remove-proc-fs-reiserfs-version.patch
reiserfs-dont-compile-procfso-at-all-if-no-support.patch
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