Buildresult: gustavoars/versatile_defconfig/arm-gcc4.6 built on Feb 12 2020, 04:44

kisskb

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Status:	Failed
Date/Time:	Feb 12 2020, 04:44
Duration:	0:00:37.854278
Builder:	ka2
Revision:	treewide: Replace zero-length arrays with flexible array member (`56ca73e491a54bd7be10e398593977df9ee4d4ff)`
Target:	gustavoars/versatile_defconfig/arm-gcc4.6
Branch:	gustavoars
Compiler:	arm-gcc4.6 (arm-unknown-linux-gnueabi-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	versatile_defconfig (download)
Log:	Download original Possible errors drivers/gpu/drm/drm_edid.c:3275:2: error: call to '__compiletime_assert_3282' declared with attribute error: BUILD_BUG_ON failed: cea_mode_for_vic(8)->vtotal != 262 \|\| cea_mode_for_vic(9)->vtotal != 262 \|\| cea_mode_for_vic(12)->vtotal != 262 \|\| cea_mode_for_vic(13)->vtotal != 262 \|\| cea_mode_for_vic(23)->vtotal != 312 \|\| cea_mode_for_vic(24)->vtotal != 312 \|\| cea_mode_for_vic(27)->vtotal != 312 \|\| cea_mode_for_vic(28)->vtotal != 312 make[4]: * [scripts/Makefile.build:267: drivers/gpu/drm/drm_edid.o] Error 1 make[3]: * [scripts/Makefile.build:505: drivers/gpu/drm] Error 2 make[2]: * [scripts/Makefile.build:505: drivers/gpu] Error 2 make[1]: * [Makefile:1681: drivers] Error 2 make: * [Makefile:179: sub-make] Error 2 Possible warnings (9) warning: The last gc run reported the following. Please correct the root cause warning: There are too many unreachable loose objects; run 'git prune' to remove them. kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2598:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_dp_mst_topology.c:5399:9: warning: missing braces around initializer [-Wmissing-braces] drivers/gpu/drm/drm_dp_mst_topology.c:5399:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] fs/io_uring.c:5749:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 56ca73e491a54bd7be10e398593977df9ee4d4ff^{commit} # git fetch -q -n -f https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git for-next/kspp warning: The last gc run reported the following. Please correct the root cause and remove .git/gc.log. Automatic cleanup will not be performed until the file is removed. warning: There are too many unreachable loose objects; run 'git prune' to remove them. # git rev-parse -q --verify 56ca73e491a54bd7be10e398593977df9ee4d4ff^{commit} 56ca73e491a54bd7be10e398593977df9ee4d4ff # git checkout -q -f -B kisskb 56ca73e491a54bd7be10e398593977df9ee4d4ff # git clean -qxdf # < git log -1 # commit 56ca73e491a54bd7be10e398593977df9ee4d4ff # Author: Gustavo A. R. Silva <gustavo@embeddedor.com> # Date: Tue Feb 11 10:00:37 2020 -0600 # # treewide: Replace zero-length arrays with flexible array member # # The current codebase makes use of the zero-length array language # extension to the C90 standard, but the preferred mechanism to declare # variable-length types such as these ones is a flexible array member[1][2], # introduced in C99: # # struct foo { # int stuff; # struct boo array[]; # }; # # By making use of the mechanism above, we will get a compiler warning # in case the flexible array does not occur last in the structure, which # will help us prevent some kind of undefined behavior bugs from being # unadvertenly introduced[3] to the codebase from now on. # # All these instances of code were found with the help of the following # Coccinelle script: # # @@ # identifier S, member, array; # type T1, T2; # @@ # # struct S { # ... # T1 member; # T2 array[ # - 0 # ]; # }; # # [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html # [2] https://github.com/KSPP/linux/issues/21 # [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") # # Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-ld --version # < git log --format=%s --max-count=1 56ca73e491a54bd7be10e398593977df9ee4d4ff # < make -s -j 48 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- versatile_defconfig # make -s -j 48 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2598:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_dsc_aux_for_port': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5399:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5399:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'cea_mode_alternate_timings': /kisskb/src/drivers/gpu/drm/drm_edid.c:3275:2: error: call to '__compiletime_assert_3282' declared with attribute error: BUILD_BUG_ON failed: cea_mode_for_vic(8)->vtotal != 262 \|\| cea_mode_for_vic(9)->vtotal != 262 \|\| cea_mode_for_vic(12)->vtotal != 262 \|\| cea_mode_for_vic(13)->vtotal != 262 \|\| cea_mode_for_vic(23)->vtotal != 312 \|\| cea_mode_for_vic(24)->vtotal != 312 \|\| cea_mode_for_vic(27)->vtotal != 312 \|\| cea_mode_for_vic(28)->vtotal != 312 make[4]: * [/kisskb/src/scripts/Makefile.build:267: drivers/gpu/drm/drm_edid.o] Error 1 make[4]: * Waiting for unfinished jobs.... make[3]: * [/kisskb/src/scripts/Makefile.build:505: drivers/gpu/drm] Error 2 make[2]: * [/kisskb/src/scripts/Makefile.build:505: drivers/gpu] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1681: drivers] Error 2 make[1]: * Waiting for unfinished jobs.... /kisskb/src/fs/io_uring.c: In function '__io_sqe_files_update': /kisskb/src/fs/io_uring.c:5749:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized] make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 48 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- ' returned non-zero exit status 2 # rm -rf /kisskb/build/gustavoars_versatile_defconfig_arm # Build took: 0:00:37.854278

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