* re: mm/mpol: Make MPOL_LOCAL a real policy
@ 2012-05-21 13:38 Dan Carpenter
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From: Dan Carpenter @ 2012-05-21 13:38 UTC (permalink / raw)
To: a.p.zijlstra; +Cc: linux-kernel
Hello Peter Zijlstra,
The patch 03ed7b538ca0: "mm/mpol: Make MPOL_LOCAL a real policy" from
Mar 19, 2012, leads to the following warning:
mm/mempolicy.c:2591 mpol_parse_str()
error: buffer overflow 'policy_modes' 5 <= 5
mm/mempolicy.c
2590 for (mode = 0; mode < MPOL_MAX; mode++) {
2591 if (!strcmp(str, policy_modes[mode])) {
2592 break;
2593 }
2594 }
The problem is that MPOL_NOOP is not defined in policy_modes[] so we
search past the end of the array.
regards,
dan carpenter
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