# git rev-parse -q --verify 2e90ca68b0d2f5548804f22f0dd61145516171e3^{commit} 2e90ca68b0d2f5548804f22f0dd61145516171e3 already have revision, skipping fetch # git checkout -q -f -B kisskb 2e90ca68b0d2f5548804f22f0dd61145516171e3 # git clean -qxdf # < git log -1 # commit 2e90ca68b0d2f5548804f22f0dd61145516171e3 # Author: Linus Torvalds # Date: Fri Feb 21 12:43:35 2020 -0800 # # floppy: check FDC index for errors before assigning it # # Jordy Zomer reported a KASAN out-of-bounds read in the floppy driver in # wait_til_ready(). # # Which on the face of it can't happen, since as Willy Tarreau points out, # the function does no particular memory access. Except through the FDCS # macro, which just indexes a static allocation through teh current fdc, # which is always checked against N_FDC. # # Except the checking happens after we've already assigned the value. # # The floppy driver is a disgrace (a lot of it going back to my original # horrd "design"), and has no real maintainer. Nobody has the hardware, # and nobody really cares. But it still gets used in virtual environment # because it's one of those things that everybody supports. # # The whole thing should be re-written, or at least parts of it should be # seriously cleaned up. The 'current fdc' index, which is used by the # FDCS macro, and which is often shadowed by a local 'fdc' variable, is a # prime example of how not to write code. # # But because nobody has the hardware or the motivation, let's just fix up # the immediate problem with a nasty band-aid: test the fdc index before # actually assigning it to the static 'fdc' variable. # # Reported-by: Jordy Zomer # Cc: Willy Tarreau # Cc: Dan Carpenter # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version # < git log --format=%s --max-count=1 2e90ca68b0d2f5548804f22f0dd61145516171e3 # < make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- allyesconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # < make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- help # make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- olddefconfig # make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- /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/kernel/sched/core.c: In function 'try_to_wake_up': /kisskb/src/kernel/sched/core.c:2644:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/quota/quota.c:876:1: internal compiler error: unspellable token PRAGMA Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[3]: *** [/kisskb/src/scripts/Makefile.build:268: fs/quota/quota.o] Error 1 make[3]: *** Waiting for unfinished jobs.... /kisskb/src/kernel/dma/debug.c: In function 'bucket_find_contain': /kisskb/src/kernel/dma/debug.c:367:1: warning: 'bucket_find_contain' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_mapping_error': /kisskb/src/kernel/dma/debug.c:1321:1: warning: 'debug_dma_mapping_error' uses dynamic stack allocation [enabled by default] make[2]: *** [/kisskb/src/scripts/Makefile.build:505: fs/quota] Error 2 make[2]: *** Waiting for unfinished jobs.... /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_sync_sg_for_device': /kisskb/src/kernel/dma/debug.c:1636:1: warning: 'debug_dma_sync_sg_for_device' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_sync_sg_for_cpu': /kisskb/src/kernel/dma/debug.c:1604:1: warning: 'debug_dma_sync_sg_for_cpu' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_sync_single_for_device': /kisskb/src/kernel/dma/debug.c:1571:1: warning: 'debug_dma_sync_single_for_device' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_sync_single_for_cpu': /kisskb/src/kernel/dma/debug.c:1551:1: warning: 'debug_dma_sync_single_for_cpu' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_unmap_resource': /kisskb/src/kernel/dma/debug.c:1532:1: warning: 'debug_dma_unmap_resource' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_unmap_sg': /kisskb/src/kernel/dma/debug.c:1428:1: warning: 'debug_dma_unmap_sg' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_unmap_page': /kisskb/src/kernel/dma/debug.c:1338:1: warning: 'debug_dma_unmap_page' uses dynamic stack allocation [enabled by default] /kisskb/src/kernel/dma/debug.c: In function 'debug_dma_free_coherent': /kisskb/src/kernel/dma/debug.c:1490:1: warning: 'debug_dma_free_coherent' uses dynamic stack allocation [enabled by default] /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/kernel/time/posix-timers.c:962:1: internal compiler error: unspellable token PRAGMA Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[3]: *** [/kisskb/src/scripts/Makefile.build:268: kernel/time/posix-timers.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/kisskb/src/scripts/Makefile.build:505: kernel/time] Error 2 make[2]: *** Waiting for unfinished jobs.... /kisskb/src/arch/s390/kernel/unwind_bc.c: In function '__unwind_start': /kisskb/src/arch/s390/kernel/unwind_bc.c:164:5: warning: 'ip' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1426:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] make[1]: *** [/kisskb/src/Makefile:1681: kernel] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/mm/slub.c: In function 'deactivate_slab.isra.52': /kisskb/src/mm/slub.c:2194:1: warning: 'deactivate_slab.isra.52' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function 'unfreeze_partials.isra.53': /kisskb/src/mm/slub.c:2262:1: warning: 'unfreeze_partials.isra.53' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function 'get_partial_node.isra.54': /kisskb/src/mm/slub.c:1899:1: warning: 'get_partial_node.isra.54' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function '___slab_alloc': /kisskb/src/mm/slub.c:2646:1: warning: '___slab_alloc' uses dynamic stack allocation [enabled by default] /kisskb/src/mm/slub.c: In function '__slab_free': /kisskb/src/mm/slub.c:2959:1: warning: '__slab_free' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/crypto/chacha20poly1305.c: In function 'chacha20poly1305_crypt_sg_inplace': /kisskb/src/lib/crypto/chacha20poly1305.c:332:1: warning: 'chacha20poly1305_crypt_sg_inplace' uses dynamic stack allocation [enabled by default] make[1]: *** [/kisskb/src/Makefile:1681: fs] Error 2 /kisskb/src/arch/s390/kernel/perf_cpum_sf.c: In function 'perf_push_sample': /kisskb/src/arch/s390/kernel/perf_cpum_sf.c:1134:1: warning: 'perf_push_sample' uses dynamic stack allocation [enabled by default] /kisskb/src/arch/s390/kernel/perf_cpum_cf_diag.c: In function 'cf_diag_push_sample': /kisskb/src/arch/s390/kernel/perf_cpum_cf_diag.c:519:1: warning: 'cf_diag_push_sample' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'query_info': /kisskb/src/drivers/s390/net/ism_drv.c:83:1: warning: 'query_info' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_signal_ieq': /kisskb/src/drivers/s390/net/ism_drv.c:357:1: warning: 'ism_signal_ieq' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_del_vlan_id': /kisskb/src/drivers/s390/net/ism_drv.c:329:1: warning: 'ism_del_vlan_id' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_add_vlan_id': /kisskb/src/drivers/s390/net/ism_drv.c:315:1: warning: 'ism_add_vlan_id' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_query_rgid': /kisskb/src/drivers/s390/net/ism_drv.c:214:1: warning: 'ism_query_rgid' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'register_sba': /kisskb/src/drivers/s390/net/ism_drv.c:110:1: warning: 'register_sba' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'register_ieq': /kisskb/src/drivers/s390/net/ism_drv.c:139:1: warning: 'register_ieq' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_dev_init': /kisskb/src/drivers/s390/net/ism_drv.c:491:1: warning: 'ism_dev_init' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_unregister_dmb': /kisskb/src/drivers/s390/net/ism_drv.c:301:1: warning: 'ism_unregister_dmb' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/s390/net/ism_drv.c: In function 'ism_register_dmb': /kisskb/src/drivers/s390/net/ism_drv.c:280:1: warning: 'ism_register_dmb' uses dynamic stack allocation [enabled by default] /kisskb/src/sound/hda/hdac_regmap.c: In function 'hda_reg_write': /kisskb/src/sound/hda/hdac_regmap.c:284:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb': /kisskb/src/net/core/devlink.c:4619:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c: In function 'arizona_hw_params': /kisskb/src/sound/soc/codecs/arizona.c:1890:3: warning: 'aif_rx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c:1887:3: warning: 'aif_tx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/fsl/imx-audmix.c: In function 'imx_audmix_probe': /kisskb/src/sound/soc/fsl/imx-audmix.c:302:45: warning: 'capture_dai_name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_device.c: In function 'br_get_stats64': /kisskb/src/net/bridge/br_device.c:222:1: warning: 'br_get_stats64' uses dynamic stack allocation [enabled by default] /kisskb/src/net/bridge/netfilter/ebtables.c: In function 'compat_copy_everything_to_user': /kisskb/src/net/bridge/netfilter/ebtables.c:1854:1: warning: 'compat_copy_everything_to_user' uses dynamic stack allocation [enabled by default] /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info': /kisskb/src/net/bridge/br_netlink.c:571:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_static_all': /kisskb/src/lib/test_stackinit.c:266:1: warning: 'leaf_big_hole_static_all' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_static_all': /kisskb/src/lib/test_stackinit.c:266:1: warning: 'test_big_hole_static_all' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_dynamic_all': /kisskb/src/lib/test_stackinit.c:269:1: warning: 'leaf_big_hole_dynamic_all' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_dynamic_all': /kisskb/src/lib/test_stackinit.c:269:1: warning: 'test_big_hole_dynamic_all' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_zero.isra.9': /kisskb/src/lib/test_stackinit.c:263:1: warning: 'leaf_big_hole_zero.isra.9' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_zero': /kisskb/src/lib/test_stackinit.c:263:1: warning: 'test_big_hole_zero' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_static_partial.isra.17': /kisskb/src/lib/test_stackinit.c:265:1: warning: 'leaf_big_hole_static_partial.isra.17' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_static_partial': /kisskb/src/lib/test_stackinit.c:265:1: warning: 'test_big_hole_static_partial' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_dynamic_partial.isra.29': /kisskb/src/lib/test_stackinit.c:268:1: warning: 'leaf_big_hole_dynamic_partial.isra.29' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_dynamic_partial': /kisskb/src/lib/test_stackinit.c:268:1: warning: 'test_big_hole_dynamic_partial' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_runtime_partial.isra.41': /kisskb/src/lib/test_stackinit.c:271:1: warning: 'leaf_big_hole_runtime_partial.isra.41' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_runtime_partial': /kisskb/src/lib/test_stackinit.c:271:1: warning: 'test_big_hole_runtime_partial' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_runtime_all.isra.49': /kisskb/src/lib/test_stackinit.c:272:1: warning: 'leaf_big_hole_runtime_all.isra.49' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_runtime_all': /kisskb/src/lib/test_stackinit.c:272:1: warning: 'test_big_hole_runtime_all' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'leaf_big_hole_none.isra.63': /kisskb/src/lib/test_stackinit.c:275:1: warning: 'leaf_big_hole_none.isra.63' uses dynamic stack allocation [enabled by default] /kisskb/src/lib/test_stackinit.c: In function 'test_big_hole_none': /kisskb/src/lib/test_stackinit.c:275:1: warning: 'test_big_hole_none' uses dynamic stack allocation [enabled by default] /kisskb/src/sound/soc/codecs/da7219-aad.c: In function 'da7219_aad_hptest_work': /kisskb/src/sound/soc/codecs/da7219-aad.c:317:17: warning: 'pll_ctrl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sunrpc/stats.c: In function 'rpc_clnt_show_stats': /kisskb/src/net/sunrpc/stats.c:275:1: warning: 'rpc_clnt_show_stats' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/soc/qcom/rpmh.c: In function 'rpmh_write_batch': /kisskb/src/drivers/soc/qcom/rpmh.c:355:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function '__arm_v7s_map.constprop.9': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:480:7: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid': /kisskb/src/net/ncsi/ncsi-manage.c:673:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /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/sound/soc/codecs/rt5665.c: In function 'rt5665_i2s_pin_event': /kisskb/src/sound/soc/codecs/rt5665.c:2663:33: warning: 'val2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/rt5665.c:2660:33: warning: 'val1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/target/iscsi/cxgbit/cxgbit_target.c: In function 'cxgbit_tx_datain_iso.isra.36': /kisskb/src/drivers/target/iscsi/cxgbit/cxgbit_target.c:498:1: warning: 'cxgbit_tx_datain_iso.isra.36' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/include/asm-generic/io.h:225:15: warning: 'px_is' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c:88:14: note: 'px_is' was declared here /kisskb/src/include/asm-generic/io.h:225:15: warning: 'px_cmd' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c:88:6: note: 'px_cmd' was declared here /kisskb/src/drivers/target/iscsi/iscsi_target.c: In function 'iscsit_send_datain': /kisskb/src/drivers/target/iscsi/iscsi_target.c:2871:1: warning: 'iscsit_send_datain' uses dynamic stack allocation [enabled by default] /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:5400:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5400:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.c: In function 'nvkm_hwsq_wait_vblank': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.c:162:16: warning: 'head_sync' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr_rx': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/crypto/chelsio/chtls/chtls_cm.c: In function 'wait_for_states.constprop.30': /kisskb/src/drivers/crypto/chelsio/chtls/chtls_cm.c:403:1: warning: 'wait_for_states.constprop.30' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/hwmon/drivetemp.c: In function 'drivetemp_get_smarttemp': /kisskb/src/drivers/hwmon/drivetemp.c:250:20: warning: 'temp_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c: In function 'mvpp2_setup_bm_pool': /kisskb/src/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c:577:41: warning: overflow in implicit constant conversion [-Woverflow] /kisskb/src/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c: In function 'rvu_mbox_handler_npc_mcam_shift_entry': /kisskb/src/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c:1900:15: warning: 'rc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-config.c: In function 'vxge_hw_device_hw_info_get': /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-config.c:1089:1: warning: 'vxge_hw_device_hw_info_get' uses dynamic stack allocation [enabled by default] /kisskb/src/drivers/leds/leds-el15203000.c: In function 'el15203000_probe_dt': /kisskb/src/drivers/leds/leds-el15203000.c:246:8: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/android/binderfs.c: In function 'binderfs_fill_super': /kisskb/src/drivers/android/binderfs.c:657:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/android/binderfs.c:657:9: warning: (near initialization for 'device_info.name') [-Wmissing-braces] /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c: In function 'siw_rqe_get': /kisskb/src/include/linux/spinlock.h:393:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:335:16: note: 'flags' was declared here /kisskb/src/drivers/usb/usbip/stub_rx.c: In function 'stub_recv_cmd_submit': /kisskb/src/drivers/usb/usbip/stub_rx.c:587:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c: In function 'nvkm_memx_wait_vblank': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c:154:40: warning: 'head_sync' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function 'gk104_top_oneinit': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c: In function 'bmi160_config_pin.constprop.9': /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:618:3: warning: 'pin_name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:606:29: warning: 'int_map_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:599:29: warning: 'int_latch_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:577:47: warning: 'int_out_ctrl_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_psr_enable': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8409:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8409:9: warning: (near initialization for 'params.triggers') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c: In function 'encoder_control_dmcub': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c:116:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c:116:9: warning: (near initialization for 'encoder_control.header') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c: In function 'set_pixel_clock_dmcub': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c:342:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c:342:9: warning: (near initialization for 'pixel_clock.header') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser2.c: In function 'bios_parser_get_i2c_info': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser2.c:297:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/bios_parser2.c:297:9: warning: (near initialization for 'dummy_record.record_header') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c: In function 'dp_test_get_audio_test_data': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2672:8: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2672:8: warning: (near initialization for 'dpcd_test_mode.bits') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2674:8: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2674:8: warning: (near initialization for 'dpcd_pattern_period[0]') [-Wmissing-braces] make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 48 ARCH=s390 O=/kisskb/build/linus_s390-allyesconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_s390-allyesconfig_s390x # Build took: 0:08:38.304889