# git rev-parse -q --verify fa520c47eaa15b9baa8ad66ac18da4a31679693b^{commit} fa520c47eaa15b9baa8ad66ac18da4a31679693b already have revision, skipping fetch # git checkout -q -f -B kisskb fa520c47eaa15b9baa8ad66ac18da4a31679693b # git clean -qxdf # < git log -1 # commit fa520c47eaa15b9baa8ad66ac18da4a31679693b # Author: Eric Sandeen # Date: Wed Oct 17 15:23:59 2018 +0100 # # fscache: Fix out of bound read in long cookie keys # # fscache_set_key() can incur an out-of-bounds read, reported by KASAN: # # BUG: KASAN: slab-out-of-bounds in fscache_alloc_cookie+0x5b3/0x680 [fscache] # Read of size 4 at addr ffff88084ff056d4 by task mount.nfs/32615 # # and also reported by syzbot at https://lkml.org/lkml/2018/7/8/236 # # BUG: KASAN: slab-out-of-bounds in fscache_set_key fs/fscache/cookie.c:120 [inline] # BUG: KASAN: slab-out-of-bounds in fscache_alloc_cookie+0x7a9/0x880 fs/fscache/cookie.c:171 # Read of size 4 at addr ffff8801d3cc8bb4 by task syz-executor907/4466 # # This happens for any index_key_len which is not divisible by 4 and is # larger than the size of the inline key, because the code allocates exactly # index_key_len for the key buffer, but the hashing loop is stepping through # it 4 bytes (u32) at a time in the buf[] array. # # Fix this by calculating how many u32 buffers we'll need by using # DIV_ROUND_UP, and then using kcalloc() to allocate a precleared allocation # buffer to hold the index_key, then using that same count as the hashing # index limit. # # Fixes: ec0328e46d6e ("fscache: Maintain a catalogue of allocated cookies") # Reported-by: syzbot+a95b989b2dde8e806af8@syzkaller.appspotmail.com # Signed-off-by: Eric Sandeen # Cc: stable # Signed-off-by: David Howells # Signed-off-by: Greg Kroah-Hartman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < git log --format=%s --max-count=1 fa520c47eaa15b9baa8ad66ac18da4a31679693b # < make -s -j 48 ARCH=m68k O=/kisskb/build/linus_m68k-allmodconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- allmodconfig WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # yes \n | make -s -j 48 ARCH=m68k O=/kisskb/build/linus_m68k-allmodconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- oldconfig yes: standard output: Broken pipe # make -s -j 48 ARCH=m68k O=/kisskb/build/linus_m68k-allmodconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] :1239:2: warning: #warning syscall seccomp not implemented [-Wcpp] :1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] :1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] :1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp] :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] :1335:2: warning: #warning syscall rseq not implemented [-Wcpp] /kisskb/src/arch/m68k/mvme147/config.c: In function 'mvme147_hwclk': /kisskb/src/arch/m68k/mvme147/config.c:150:2: warning: #warning check me! [-Wcpp] /kisskb/src/arch/m68k/mvme16x/config.c: In function 'mvme16x_hwclk': /kisskb/src/arch/m68k/mvme16x/config.c:397:2: warning: #warning check me! [-Wcpp] /kisskb/src/arch/m68k/mvme16x/config.c:397:2: warning: #warning check me! [-Wcpp] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/acct.c: In function 'acct_pin_kill': /kisskb/src/kernel/acct.c:177:2: warning: value computed is not used [-Wunused-value] /kisskb/src/mm/memcontrol.c: In function 'invalidate_reclaim_iterators': /kisskb/src/mm/memcontrol.c:1047:5: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: 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:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/afs/dynroot.c: In function 'afs_lookup_atcell': /kisskb/src/fs/afs/dynroot.c:126:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] In file included from /kisskb/src/drivers/block/paride/bpck6.c:33:0: /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_select': /kisskb/src/drivers/block/paride/ppc6lnx.c:131:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:142:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:144:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:145:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:146:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:147:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:162:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:201:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_deselect': /kisskb/src/drivers/block/paride/ppc6lnx.c:217:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_send_cmd': /kisskb/src/drivers/block/paride/ppc6lnx.c:235:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_wr_data_byte': /kisskb/src/drivers/block/paride/ppc6lnx.c:266:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_rd_data_byte': /kisskb/src/drivers/block/paride/ppc6lnx.c:329:11: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_rd_data_blk': /kisskb/src/drivers/block/paride/ppc6lnx.c:430:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c: In function 'ppc6_wr_data_blk': /kisskb/src/drivers/block/paride/ppc6lnx.c:537:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:560:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/block/paride/ppc6lnx.c:575:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:156:1: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function '__arm_v7s_map': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:473:2: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/joystick/analog.c:172:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/hda/hdac_regmap.c: In function 'hda_reg_write': /kisskb/src/sound/hda/hdac_regmap.c:282:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/qgroup.c: In function 'adjust_slots_upwards': /kisskb/src/fs/btrfs/qgroup.c:1708:18: warning: array subscript is below array bounds [-Warray-bounds] /kisskb/src/fs/btrfs/qgroup.c:1709:17: warning: array subscript is below array bounds [-Warray-bounds] /kisskb/src/drivers/misc/altera-stapl/altera-lpt.c: In function 'byteblaster_write': /kisskb/src/drivers/misc/altera-stapl/altera-lpt.c:34:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/misc/altera-stapl/altera-lpt.c: In function 'byteblaster_read': /kisskb/src/drivers/misc/altera-stapl/altera-lpt.c:40:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.6': /kisskb/src/fs/btrfs/ref-verify.c:503:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_leaf': /kisskb/src/fs/btrfs/ref-verify.c:555:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2069:9: warning: 'str' 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:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:341:21: note: 'pdeo' was declared here /kisskb/src/sound/soc/codecs/arizona.c: In function 'arizona_hw_params': /kisskb/src/sound/soc/codecs/arizona.c:1893:3: warning: 'aif_rx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c:1890:3: warning: 'aif_tx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/reiserfs/stree.c: In function 'search_by_key': /kisskb/src/fs/reiserfs/stree.c:812:1: warning: the frame size of 1052 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/iio/proximity/isl29501.c: In function 'isl29501_register_write': /kisskb/src/drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/nfs/nfs3acl.c: In function 'nfs3_abort_get_acl': /kisskb/src/fs/nfs/nfs3acl.c:44:2: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c: In function 'madera_mux_set_mux': /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:659:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:660:3: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': /kisskb/src/fs/ocfs2/file.c:2386:3: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/hwmon/sch56xx-common.c: In function 'sch56xx_send_cmd': /kisskb/src/drivers/hwmon/sch56xx-common.c:145:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info': /kisskb/src/net/bridge/br_netlink.c:589:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/da7219-aad.c: In function 'da7219_aad_hptest_work': /kisskb/src/sound/soc/codecs/da7219-aad.c:321:17: warning: 'pll_ctrl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hwmon/smsc47b397.c: In function 'smsc47b397_read_value': /kisskb/src/drivers/hwmon/smsc47b397.c:119:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/fs/posix_acl.c: In function 'get_acl': /kisskb/src/fs/posix_acl.c:147:3: warning: value computed is not used [-Wunused-value] /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/sound/soc/codecs/rt5665.c: In function 'rt5665_i2s_pin_event': /kisskb/src/sound/soc/codecs/rt5665.c:2666:33: warning: 'val2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/rt5665.c:2663:33: warning: 'val1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/8390/wd.c: In function 'wd_probe1': /kisskb/src/drivers/net/ethernet/8390/wd.c:289:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/net/ethernet/8390/wd.c:296:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:201:12: warning: '__ei_open' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:230:12: warning: '__ei_close' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:254:13: warning: '__ei_tx_timeout' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:300:20: warning: '__ei_start_xmit' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:509:13: warning: '__ei_poll' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:850:33: warning: '__ei_get_stats' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:950:13: warning: '__ei_set_multicast_list' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:988:27: warning: '____alloc_ei_netdev' defined but not used [-Wunused-function] /kisskb/src/net/core/filter.c: In function 'bpf_clear_redirect_map': /kisskb/src/net/core/filter.c:3268:4: warning: value computed is not used [-Wunused-value] In file included from /kisskb/src/drivers/tty/rocket.c:81:0: /kisskb/src/drivers/tty/rocket_int.h: In function 'sOutB': /kisskb/src/drivers/tty/rocket_int.h:46:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/rocket_int.h: In function 'sOutW': /kisskb/src/drivers/tty/rocket_int.h:54:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/rocket_int.h: In function 'sInB': /kisskb/src/drivers/tty/rocket_int.h:68:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/rocket_int.h: In function 'sInW': /kisskb/src/drivers/tty/rocket_int.h:73:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/rocket_int.h:73:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/rocket_int.h:73:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/rocket_int.h:73:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1794:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1704:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/ppa.c: In function 'ppa_byte_out': /kisskb/src/drivers/scsi/ppa.c:245:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/ppa.c: In function 'ppa_byte_in': /kisskb/src/drivers/scsi/ppa.c:257:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/ppa.c: In function 'ppa_d_pulse': /kisskb/src/drivers/scsi/ppa.c:379:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/ppa.c: In function 'ppa_c_pulse': /kisskb/src/drivers/scsi/ppa.c:399:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/ppa.c: In function 'ppa_select': /kisskb/src/drivers/scsi/ppa.c:436:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/ppa.c:439:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c: In function 'imm_negotiate': /kisskb/src/drivers/scsi/imm.c:247:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c: In function 'imm_byte_out': /kisskb/src/drivers/scsi/imm.c:303:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:305:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c: In function 'imm_byte_in': /kisskb/src/drivers/scsi/imm.c:341:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c: In function 'imm_cpp': /kisskb/src/drivers/scsi/imm.c:461:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:463:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:465:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:467:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:470:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:473:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:486:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c:494:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/scsi/imm.c: In function 'imm_select': /kisskb/src/drivers/scsi/imm.c:563:2: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/media/usb/dvb-usb/pctv452e.c: In function 'pctv452e_frontend_attach': /kisskb/src/drivers/media/usb/dvb-usb/pctv452e.c:922:2: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7': /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:202:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function 'rtl8723a_phy_lc_calibrate': /kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:3481:23: warning: 'rf_amode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/platform/fsl-viu.c:41:0: warning: "out_be32" redefined [enabled by default] /kisskb/src/arch/m68k/include/asm/raw_io.h:32:0: note: this is the location of the previous definition /kisskb/src/drivers/media/platform/fsl-viu.c:42:0: warning: "in_be32" redefined [enabled by default] /kisskb/src/arch/m68k/include/asm/raw_io.h:23:0: note: this is the location of the previous definition /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.33': /kisskb/src/net/mac80211/mlme.c:1511:3: warning: 'pwr_level_cisco' 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:610:5: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/scripts/unifdef.c: In function 'Mpass': /kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ./usr/include/asm/bootinfo-amiga.h:18: found __[us]{8,16,32,64} type without #include Completed OK # rm -rf /kisskb/build/linus_m68k-allmodconfig_m68k # Build took: 0:05:41.414481