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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
mm
/
swapfile.c
diff --git
a/kernel/mm/swapfile.c
b/kernel/mm/swapfile.c
index
5887731
..
c1a0f3d
100644
(file)
--- a/
kernel/mm/swapfile.c
+++ b/
kernel/mm/swapfile.c
@@
-2225,6
+2225,8
@@
static unsigned long read_swap_header(struct swap_info_struct *p,
swab32s(&swap_header->info.version);
swab32s(&swap_header->info.last_page);
swab32s(&swap_header->info.nr_badpages);
swab32s(&swap_header->info.version);
swab32s(&swap_header->info.last_page);
swab32s(&swap_header->info.nr_badpages);
+ if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES)
+ return 0;
for (i = 0; i < swap_header->info.nr_badpages; i++)
swab32s(&swap_header->info.badpages[i]);
}
for (i = 0; i < swap_header->info.nr_badpages; i++)
swab32s(&swap_header->info.badpages[i]);
}