tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 721675fcf277cfd345117d3abae1c5590c5fdfd4 commit: c6d308534aef6c99904bf5862066360ae067abc4 UBSAN: run-time undefined behavior sanity checker date: 3 weeks ago config: i386-randconfig-h0-02112243 (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/net/wireless/cisco/airo.c: In function 'airo_get_aplist': >> drivers/net/wireless/cisco/airo.c:7198:1: warning: the frame size of 1068 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ vim +7198 drivers/net/wireless/cisco/airo.c ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7182 | status_rid.bssid[i][4] ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7183 | status_rid.bssid[i][5]); ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7184 i++) { ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7185 memcpy(address[i].sa_data, ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7186 status_rid.bssid[i], ETH_ALEN); ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7187 address[i].sa_family = ARPHRD_ETHER; ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7188 } ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7189 } else { ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7190 dwrq->flags = 1; /* Should be define'd */ 7f59ebb5 drivers/net/wireless/airo.c Dan Carpenter 2012-06-18 7191 memcpy(extra + sizeof(struct sockaddr) * i, qual, 7f59ebb5 drivers/net/wireless/airo.c Dan Carpenter 2012-06-18 7192 sizeof(struct iw_quality) * i); ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7193 } ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7194 dwrq->length = i; ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7195 998a5a7d drivers/net/wireless/airo.c Frank Seidel 2009-02-25 7196 kfree(qual); ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7197 return 0; ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 @7198 } ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7199 ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7200 /*------------------------------------------------------------------*/ ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7201 /* ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7202 * Wireless Handler : Initiate Scan ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7203 */ ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7204 static int airo_set_scan(struct net_device *dev, ^1da177e drivers/net/wireless/airo.c Linus Torvalds 2005-04-16 7205 struct iw_request_info *info, 9930ccee drivers/net/wireless/airo.c David Kilroy 2008-09-13 7206 struct iw_point *dwrq, :::::: The code at line 7198 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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