The patch titled
fix potential stack overflow in net/core/utils.c
has been added to the -mm tree. Its filename is
fix-potential-stack-overflow-in-net-core-utilsc.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: fix potential stack overflow in net/core/utils.c
From: "Siddha, Suresh B" <suresh.b.siddha@xxxxxxxxx>
On High end systems (1024 or so cpus) this can potentially cause stack
overflow. Fix the stack usage.
Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
net/core/utils.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff -puN net/core/utils.c~fix-potential-stack-overflow-in-net-core-utilsc net/core/utils.c
--- a/net/core/utils.c~fix-potential-stack-overflow-in-net-core-utilsc
+++ a/net/core/utils.c
@@ -130,12 +130,13 @@ void __init net_random_init(void)
static int net_random_reseed(void)
{
int i;
- unsigned long seed[NR_CPUS];
+ unsigned long seed;
- get_random_bytes(seed, sizeof(seed));
for_each_possible_cpu(i) {
struct nrnd_state *state = &per_cpu(net_rand_state,i);
- __net_srandom(state, seed[i]);
+
+ get_random_bytes(&seed, sizeof(seed));
+ __net_srandom(state, seed);
}
return 0;
}
_
Patches currently in -mm which might be from suresh.b.siddha@xxxxxxxxx are
fix-potential-stack-overflow-in-net-core-utilsc.patch
fix-potential-stack-overflow-in-mm-slabc.patch
sched-remove-unnecessary-sched-group-allocations.patch
sched-remove-unnecessary-sched-group-allocations-fix.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
