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authorAlexey Dobriyan <adobriyan@gmail.com>2008-07-21 14:21:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-22 09:59:41 -0700
commitee1e6ab6056a8b9c19377257002da98b83819531 (patch)
tree0119b6cedbcbdc06ad3778c56e6a795bb7896ed9 /fs/proc/task_mmu.c
parent91cd4d6ef0abb1f65e81f8fe37e7d3c10344e38c (diff)
downloadlwn-ee1e6ab6056a8b9c19377257002da98b83819531.tar.gz
lwn-ee1e6ab6056a8b9c19377257002da98b83819531.zip
proc: fix /proc/*/pagemap some more
struct pagemap_walk was placed on stack, some hooks are initialized, the rest (->pgd_entry, ->pud_entry, ->pte_entry) are valid but junk. Reported-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: "Vegard Nossum" <vegard.nossum@gmail.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 164bd9f9ede3..7546a918f790 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -636,7 +636,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
struct pagemapread pm;
int pagecount;
int ret = -ESRCH;
- struct mm_walk pagemap_walk;
+ struct mm_walk pagemap_walk = {};
unsigned long src;
unsigned long svpfn;
unsigned long start_vaddr;