Buildresult: gustavoars/s390-allmodconfig/s390x-gcc8 built on May 26 2020, 08:10

kisskb

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Status:	OK
Date/Time:	May 26 2020, 08:10
Duration:	0:17:52.171220
Builder:	ka2
Revision:	media: s5k5baf: avoid gcc-10 zero-length-bounds warning (`f486eda1869f804839ecc4a465eb0279710a2492)`
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/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] #warning Precise timer not defined for this architecture. 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] Full Log # git rev-parse -q --verify f486eda1869f804839ecc4a465eb0279710a2492^{commit} f486eda1869f804839ecc4a465eb0279710a2492 already have revision, skipping fetch # git checkout -q -f -B kisskb f486eda1869f804839ecc4a465eb0279710a2492 # git clean -qxdf # < git log -1 # commit f486eda1869f804839ecc4a465eb0279710a2492 # Author: Arnd Bergmann <arnd@arndb.de> # Date: Thu Apr 30 23:30:54 2020 +0200 # # media: s5k5baf: avoid gcc-10 zero-length-bounds warning # # gcc-10 warns about accessing a zero-length struct member: # # drivers/media/i2c/s5k5baf.c: In function 's5k5baf_load_setfile': # drivers/media/i2c/s5k5baf.c:390:13: warning: array subscript 65535 is outside the bounds of an interior zero-length array 'struct <anonymous>[0]' [-Wzero-length-bounds] # 390 \| if (f->seq[i].offset + d <= end) # \| ~~~~~~^~~ # # This should really be a flexible-array member, but the structure # already has one. I experimentally confirmed that swapping the two # avoids the warning, as the 'data[]' array is not accessed like this. # # Fixes: 3ba225b506a2 ("treewide: Replace zero-length array with flexible-array member") # Fixes: 7d459937dc09 ("[media] Add driver for Samsung S5K5BAF camera sensor") # 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 f486eda1869f804839ecc4a465eb0279710a2492 # < make -s -j 48 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 48 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 48 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 48 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 } ^ /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. ^~~~~~~ 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; ^~~~~~~~~~~~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/gustavoars_s390-allmodconfig_s390x-gcc8 # Build took: 0:17:52.171220

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