tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ad0b40fa944628d6f30b40266a599b285d70a266 commit: c6d308534aef6c99904bf5862066360ae067abc4 UBSAN: run-time undefined behavior sanity checker date: 10 days ago config: i386-randconfig-x0-01310609 (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/isdn/mISDN/dsp_blowfish.c: In function 'dsp_bf_init': >> drivers/isdn/mISDN/dsp_blowfish.c:662:1: warning: the frame size of 1632 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ vim +662 drivers/isdn/mISDN/dsp_blowfish.c 960366cf Karsten Keil 2008-07-27 646 encrypt_block(P, S, data, data); 960366cf Karsten Keil 2008-07-27 647 960366cf Karsten Keil 2008-07-27 648 P[i] = data[0]; 960366cf Karsten Keil 2008-07-27 649 P[i + 1] = data[1]; 960366cf Karsten Keil 2008-07-27 650 } 960366cf Karsten Keil 2008-07-27 651 960366cf Karsten Keil 2008-07-27 652 for (i = 0; i < 4; i++) { 960366cf Karsten Keil 2008-07-27 653 for (j = 0, count = i * 256; j < 256; j += 2, count += 2) { 960366cf Karsten Keil 2008-07-27 654 encrypt_block(P, S, data, data); 960366cf Karsten Keil 2008-07-27 655 960366cf Karsten Keil 2008-07-27 656 S[count] = data[0]; 960366cf Karsten Keil 2008-07-27 657 S[count + 1] = data[1]; 960366cf Karsten Keil 2008-07-27 658 } 960366cf Karsten Keil 2008-07-27 659 } 960366cf Karsten Keil 2008-07-27 660 960366cf Karsten Keil 2008-07-27 661 return 0; 960366cf Karsten Keil 2008-07-27 @662 } 960366cf Karsten Keil 2008-07-27 663 960366cf Karsten Keil 2008-07-27 664 960366cf Karsten Keil 2008-07-27 665 /* 960366cf Karsten Keil 2008-07-27 666 * turn encryption off 960366cf Karsten Keil 2008-07-27 667 */ 960366cf Karsten Keil 2008-07-27 668 void 960366cf Karsten Keil 2008-07-27 669 dsp_bf_cleanup(struct dsp *dsp) 960366cf Karsten Keil 2008-07-27 670 { :::::: The code at line 662 was first introduced by commit :::::: 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7 Add mISDN DSP :::::: TO: Karsten Keil <kkeil@xxxxxxx> :::::: CC: Karsten Keil <kkeil@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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