Buildresult: gustavoars/s390-allmodconfig/s390x-gcc8 built on May 1 2020, 09:12

kisskb

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Status:	OK
Date/Time:	May 1 2020, 09:12
Duration:	0:29:38.172341
Builder:	ka2
Revision:	ath10k: fix gcc-10 zero-length-bounds warnings (`f7e2b2478af237b3e88abab3ee0e2b163c624a68)`
Target:	gustavoars/s390-allmodconfig/s390x-gcc8
Branch:	gustavoars
Compiler:	s390x-gcc8 (s390-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	allmodconfig (download)
Log:	Download original Possible warnings (6) kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] lib/test_kasan.c:547:1: warning: 'kasan_alloca_oob_left' uses dynamic stack allocation lib/test_kasan.c:557:1: warning: 'kasan_alloca_oob_right' uses dynamic stack allocation drivers/net/ethernet/marvell/mvpp2/mvpp2.h:634:2: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709551584' to '-32' [-Woverflow] drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] #warning Precise timer not defined for this architecture. Full Log # git rev-parse -q --verify f7e2b2478af237b3e88abab3ee0e2b163c624a68^{commit} f7e2b2478af237b3e88abab3ee0e2b163c624a68 already have revision, skipping fetch # git checkout -q -f -B kisskb f7e2b2478af237b3e88abab3ee0e2b163c624a68 # git clean -qxdf # < git log -1 # commit f7e2b2478af237b3e88abab3ee0e2b163c624a68 # Author: Arnd Bergmann <arnd@arndb.de> # Date: Thu Apr 30 23:30:46 2020 +0200 # # ath10k: fix gcc-10 zero-length-bounds warnings # # gcc-10 started warning about out-of-bounds access for zero-length # arrays: # # In file included from drivers/net/wireless/ath/ath10k/core.h:18, # from drivers/net/wireless/ath/ath10k/htt_rx.c:8: # drivers/net/wireless/ath/ath10k/htt_rx.c: In function 'ath10k_htt_rx_tx_fetch_ind': # drivers/net/wireless/ath/ath10k/htt.h:1683:17: warning: array subscript 65535 is outside the bounds of an interior zero-length array 'struct htt_tx_fetch_record[0]' [-Wzero-length-bounds] # 1683 \| return (void *)&ind->records[le16_to_cpu(ind->num_records)]; # \| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # drivers/net/wireless/ath/ath10k/htt.h:1676:29: note: while referencing 'records' # 1676 \| struct htt_tx_fetch_record records[0]; # \| ^~~~~~~ # # The structure was already converted to have a flexible-array member in # the past, but there are two zero-length members in the end and only # one of them can be a flexible-array member. # # Swap the two around to avoid the warning, as 'resp_ids' is not accessed # in a way that causes a warning. # # Fixes: 3ba225b506a2 ("treewide: Replace zero-length array with flexible-array member") # Fixes: 22e6b3bc5d96 ("ath10k: add new htt definitions") # Signed-off-by: Arnd Bergmann <arnd@arndb.de> # Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-ld --version # < git log --format=%s --max-count=1 f7e2b2478af237b3e88abab3ee0e2b163c624a68 # < make -s -j 8 ARCH=s390 O=/kisskb/build/gustavoars_s390-allmodconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # < make -s -j 8 ARCH=s390 O=/kisskb/build/gustavoars_s390-allmodconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- help # make -s -j 8 ARCH=s390 O=/kisskb/build/gustavoars_s390-allmodconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- olddefconfig # make -s -j 8 ARCH=s390 O=/kisskb/build/gustavoars_s390-allmodconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ~~~~~~~^~~~~~~~~ /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here int oldval, ret; ^~~~~~ /kisskb/src/lib/test_kasan.c: In function 'kasan_alloca_oob_left': /kisskb/src/lib/test_kasan.c:547:1: warning: 'kasan_alloca_oob_left' uses dynamic stack allocation } ^ /kisskb/src/lib/test_kasan.c: In function 'kasan_alloca_oob_right': /kisskb/src/lib/test_kasan.c:557:1: warning: 'kasan_alloca_oob_right' uses dynamic stack allocation } ^ In file included from /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c:40: /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c: In function 'mvpp2_setup_bm_pool': /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2.h:634:2: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709551584' to '-32' [-Woverflow] ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE) ^ /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2.h:699:33: note: in expansion of macro 'MVPP2_RX_MAX_PKT_SIZE' #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE) ^~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c:580:41: note: in expansion of macro 'MVPP2_BM_SHORT_PKT_SIZE' mvpp2_pools[MVPP2_BM_SHORT].pkt_size = MVPP2_BM_SHORT_PKT_SIZE; ^~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] #warning Precise timer not defined for this architecture. ^~~~~~~ Completed OK # rm -rf /kisskb/build/gustavoars_s390-allmodconfig_s390x-gcc8 # Build took: 0:29:38.172341

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