tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 36f90b0a2ddd60823fe193a85e60ff1906c2a9b3 commit: c6d308534aef6c99904bf5862066360ae067abc4 UBSAN: run-time undefined behavior sanity checker date: 11 days ago config: i386-randconfig-h1-02011158 (attached as .config) reproduce: git checkout c6d308534aef6c99904bf5862066360ae067abc4 # save the attached .config to linux build tree make ARCH=i386
All warnings (new ones prefixed by >>):
drivers/staging/rtl8723au/core/rtw_security.c: In function 'phase1':
>> drivers/staging/rtl8723au/core/rtw_security.c:529:1: warning: the frame size
>> of 1076 bytes is larger than 1024 bytes [-Wframe-larger-than=]
}
^
vim +529 drivers/staging/rtl8723au/core/rtw_security.c
5e93f352 Larry Finger 2014-03-28 513 p1k[2] = Mk16(ta[1],
ta[0]); /* use TA[] as little-endian */
5e93f352 Larry Finger 2014-03-28 514 p1k[3] = Mk16(ta[3],
ta[2]);
5e93f352 Larry Finger 2014-03-28 515 p1k[4] = Mk16(ta[5],
ta[4]);
5e93f352 Larry Finger 2014-03-28 516
5e93f352 Larry Finger 2014-03-28 517 /* Now compute an unbalanced
Feistel cipher with 80-bit block */
5e93f352 Larry Finger 2014-03-28 518 /* size on the 80-bit block
P1K[], using the 128-bit key TK[] */
5db8bee6 Tina Ruchandani 2014-10-23 519 for (i = 0; i <
PHASE1_LOOP_CNT; i++) {
5db8bee6 Tina Ruchandani 2014-10-23 520 /* Each add operation
here is mod 2**16 */
5e93f352 Larry Finger 2014-03-28 521 p1k[0] += _S_(p1k[4] ^
TK16((i & 1) + 0));
5e93f352 Larry Finger 2014-03-28 522 p1k[1] += _S_(p1k[0] ^
TK16((i & 1) + 2));
5e93f352 Larry Finger 2014-03-28 523 p1k[2] += _S_(p1k[1] ^
TK16((i & 1) + 4));
5e93f352 Larry Finger 2014-03-28 524 p1k[3] += _S_(p1k[2] ^
TK16((i & 1) + 6));
5e93f352 Larry Finger 2014-03-28 525 p1k[4] += _S_(p1k[3] ^
TK16((i & 1) + 0));
5e93f352 Larry Finger 2014-03-28 526 p1k[4] += (unsigned
short) i; /* avoid "slide attacks" */
5e93f352 Larry Finger 2014-03-28 527 }
5e93f352 Larry Finger 2014-03-28 528
5e93f352 Larry Finger 2014-03-28 @529 }
5e93f352 Larry Finger 2014-03-28 530
5e93f352 Larry Finger 2014-03-28 531 /*
5e93f352 Larry Finger 2014-03-28 532
**********************************************************************
5e93f352 Larry Finger 2014-03-28 533 * Routine: Phase 2 -- generate
RC4KEY, given TK, P1K, IV16
5e93f352 Larry Finger 2014-03-28 534 *
5e93f352 Larry Finger 2014-03-28 535 * Inputs:
5e93f352 Larry Finger 2014-03-28 536 * tk[] = Temporal key
[128 bits]
5e93f352 Larry Finger 2014-03-28 537 * p1k[] = Phase 1 output key
[ 80 bits]
:::::: The code at line 529 was first introduced by commit
:::::: 5e93f35209578fcabfa855e427354195e54b491f staging: r8723au: Add source
files for new driver - part 1
:::::: TO: Larry Finger <[email protected]>
:::::: CC: Greg Kroah-Hartman <[email protected]>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: Binary data
