Defined in 6 files as a prototype:

• arch/alpha/include/asm/string.h, line 51 (as a prototype)
• arch/powerpc/boot/string.h, line 7 (as a prototype)
• arch/powerpc/include/asm/string.h, line 21 (as a prototype)
• arch/s390/include/asm/string.h, line 45 (as a prototype)
• arch/x86/include/asm/string_32.h, line 13 (as a prototype)
• include/linux/string.h, line 68 (as a prototype)

Defined in 2 files as a label:

• arch/alpha/lib/strncpy.S, line 23 (as a label)
• arch/powerpc/boot/string.S, line 22 (as a label)

Defined in 7 files as a function:

• arch/m68k/include/asm/string.h, line 25 (as a function)
• arch/s390/lib/string.c, line 113 (as a function)
• arch/x86/lib/string_32.c, line 34 (as a function)
• arch/xtensa/include/asm/string.h, line 38 (as a function)
• include/linux/fortify-string.h, line 193 (as a function)
• lib/string.c, line 92 (as a function)
• tools/include/nolibc/string.h, line 258 (as a function)

Referenced in 201 files:

• arch/alpha/lib/strncpy.S, 4 times
• arch/m68k/kernel/setup_mm.c, line 246
• arch/m68k/kernel/uboot.c, line 77
• arch/mips/loongson2ef/common/machtype.c, line 51
• arch/powerpc/boot/string.S, line 21
• arch/powerpc/lib/string.S, 2 times
• arch/s390/boot/pgm_check_info.c, line 70
• arch/s390/lib/string.c, line 120
• arch/um/kernel/skas/uaccess.c, line 173
• arch/x86/lib/string_32.c, line 50
• block/partitions/ldm.c, 2 times
• drivers/acpi/acpica/exconvrt.c, line 228
• drivers/acpi/acpica/tbfind.c, 2 times
• drivers/acpi/acpica/utnonansi.c, line 171
• drivers/gpu/drm/gma500/cdv_intel_dp.c, line 858
• drivers/hwmon/pmbus/pmbus_core.c, line 1397
• drivers/misc/lkdtm/fortify.c, 2 times
• drivers/mtd/sm_ftl.c, line 47
• drivers/net/dsa/lan9303-core.c, line 1016
• drivers/net/phy/nxp-cbtx.c, line 185
• drivers/net/wireless/ti/wl1251/acx.c, line 153
• drivers/nvme/target/discovery.c, line 122
• drivers/platform/x86/hp/hp-bioscfg/bioscfg.c, line 453
• drivers/scsi/elx/libefc_sli/sli4.c, 3 times
• drivers/scsi/hpsa.c, 3 times
• drivers/scsi/mpi3mr/mpi3mr_fw.c, 3 times
• drivers/scsi/mpt3sas/mpt3sas_base.c, line 4777
• drivers/scsi/mpt3sas/mpt3sas_transport.c, 4 times
• drivers/scsi/qedf/qedf_main.c, line 3471
• drivers/scsi/qla4xxx/ql4_mbx.c, 3 times
• drivers/scsi/scsi_devinfo.c, line 297
• drivers/scsi/smartpqi/smartpqi_init.c, line 1044
• drivers/scsi/wd33c93.c, line 1724
• drivers/soc/qcom/cmd-db.c, line 155
• drivers/staging/greybus/Documentation/firmware/firmware.c, 3 times
• drivers/staging/greybus/fw-management.c, 4 times
• drivers/staging/rtl8192e/rtllib_softmac.c, line 1157
• drivers/staging/rtl8192e/rtllib_softmac_wx.c, 2 times
• drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c, 2 times
• drivers/staging/rtl8723bs/os_dep/os_intfs.c, line 418
• drivers/staging/rts5208/rtsx_scsi.c, line 526
• drivers/target/target_core_configfs.c, line 3667
• drivers/target/target_core_transport.c, 4 times
• drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.c, 2 times
• drivers/tty/n_gsm.c, line 4067
• drivers/usb/gadget/function/u_ether.c, line 1035
• drivers/usb/gadget/legacy/inode.c, line 1618
• drivers/usb/gadget/udc/mv_u3d_core.c, 2 times
• drivers/usb/gadget/udc/mv_udc_core.c, 2 times
• drivers/video/fbdev/au1200fb.c, line 1560
• drivers/video/fbdev/fsl-diu-fb.c, line 790
• drivers/video/fbdev/uvesafb.c, line 1870
• drivers/video/hdmi.c, 2 times
• drivers/virt/acrn/ioreq.c, line 436
• fs/bcachefs/btree_trans_commit.c, line 344
• fs/ecryptfs/crypto.c, line 1609
• fs/ecryptfs/main.c, 3 times
• fs/ext4/file.c, line 847
• fs/ext4/ioctl.c, line 1155
• fs/ext4/super.c, 2 times
• fs/hfsplus/xattr.c, line 414
• fs/orangefs/dcache.c, line 36
• fs/orangefs/namei.c, 8 times
• fs/orangefs/super.c, 4 times
• fs/proc/vmcore.c, line 1373
• fs/pstore/blk.c, line 244
• fs/reiserfs/item_ops.c, line 394
• fs/squashfs/namei.c, line 83
• fs/udf/super.c, line 928
• fs/xfs/scrub/trace.h, line 887
• fs/xfs/xfs_ioctl.c, line 1761
• fs/xfs/xfs_trace.h, line 4635
• fs/xfs/xfs_xattr.c, line 225
• include/acpi/actypes.h, line 525
• include/linux/fortify-string.h, 2 times
• include/trace/events/mdio.h, line 28
• include/trace/events/sock.h, line 112
• init/do_mounts.c, line 163
• kernel/bpf/core.c, 2 times
• kernel/bpf/log.c, 2 times
• kernel/debug/kdb/kdb_io.c, 2 times
• kernel/module/kallsyms.c, line 351
• kernel/module/main.c, line 1158
• kernel/power/hibernate.c, line 1364
• kernel/printk/printk.c, 4 times
• kernel/trace/blktrace.c, line 527
• kernel/trace/trace.c, 3 times
• kernel/trace/trace_branch.c, 2 times
• kernel/trace/trace_events_filter.c, 4 times
• kernel/trace/trace_events_hist.c, 3 times
• kernel/trace/trace_events_synth.c, line 217
• kernel/trace/trace_sched_switch.c, line 190
• kernel/trace/trace_stack.c, line 547
• kernel/tsacct.c, line 79
• lib/fortify_kunit.c, 4 times
• lib/kunit/executor.c, 2 times
• lib/kunit/executor_test.c, line 289
• lib/string.c, line 104
• lib/test_fortify/write_overflow-strncpy-src.c, line 3
• lib/test_fortify/write_overflow-strncpy.c, line 3
• lib/test_hexdump.c, line 116
• mm/kmemleak.c, 3 times
• net/bluetooth/cmtp/capi.c, 2 times
• net/bridge/netfilter/nft_meta_bridge.c, line 66
• net/caif/chnl_net.c, line 350
• net/ipv4/ipconfig.c, line 1693
• net/ipv4/tcp_cong.c, 2 times
• net/mac80211/trace.h, line 1716
• net/rds/connection.c, 2 times
• net/rds/stats.c, line 92
• net/sched/em_text.c, line 111
• net/smc/smc_pnet.c, 2 times
• net/tipc/link.c, line 2236
• net/tipc/node.c, line 1584
• net/xfrm/xfrm_user.c, line 985
• samples/bpf/xdp_sample_user.h, line 56
• scripts/dtc/util.c, 2 times
• scripts/kconfig/confdata.c, 2 times
• scripts/kconfig/lxdialog/checklist.c, line 23
• scripts/kconfig/lxdialog/menubox.c, line 59
• scripts/kconfig/nconf.c, line 591
• scripts/kconfig/nconf.gui.c, 2 times
• scripts/mod/modpost.c, line 1733
• scripts/mod/sumversion.c, line 320
• security/keys/encrypted-keys/ecryptfs_format.c, line 57
• sound/soc/intel/avs/loader.c, line 538
• sound/soc/intel/skylake/skl-topology.c, line 3162
• tools/accounting/getdelays.c, line 339
• tools/accounting/procacct.c, 2 times
• tools/arch/x86/kcpuid/kcpuid.c, line 321
• tools/bpf/bpftool/gen.c, 4 times
• tools/bpf/bpftool/xlated_dumper.c, line 138
• tools/hv/hv_vss_daemon.c, line 185
• tools/laptop/freefall/freefall.c, line 33
• tools/leds/uledmon.c, line 34
• tools/lib/api/fs/cgroup.c, line 98
• tools/lib/bpf/skel_internal.h, line 231
• tools/lib/subcmd/parse-options.c, line 138
• tools/net/ynl/lib/ynl.c, line 582
• tools/perf/arch/x86/util/header.c, 3 times
• tools/perf/arch/x86/util/intel-pt.c, line 398
• tools/perf/arch/x86/util/perf_regs.c, line 192
• tools/perf/builtin-daemon.c, line 1438
• tools/perf/builtin-diff.c, line 256
• tools/perf/builtin-help.c, line 215
• tools/perf/builtin-lock.c, line 1407
• tools/perf/builtin-script.c, line 2992
• tools/perf/tests/dlfilter-test.c, 2 times
• tools/perf/ui/tui/util.c, line 163
• tools/perf/util/config.c, 2 times
• tools/perf/util/data-convert-bt.c, line 279
• tools/perf/util/dso.c, line 125
• tools/perf/util/intel-pt-decoder/intel-pt-log.c, line 63
• tools/perf/util/parse-events.c, line 2278
• tools/perf/util/path.c, line 33
• tools/perf/util/s390-cpumsf.c, line 893
• tools/perf/util/symbol-elf.c, line 1160
• tools/perf/util/synthetic-events.c, 2 times
• tools/perf/util/time-utils.c, line 34
• tools/perf/util/util.c, line 398
• tools/power/cpupower/bench/main.c, line 105
• tools/power/cpupower/bench/parse.c, 2 times
• tools/power/cpupower/lib/cpufreq.c, line 570
• tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c, 2 times
• tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c, 2 times
• tools/power/cpupower/utils/idle_monitor/rapl_monitor.c, line 58
• tools/power/x86/intel-speed-select/isst-config.c, line 1280
• tools/power/x86/turbostat/turbostat.c, 3 times
• tools/testing/selftests/arm64/fp/fp-stress.c, line 166
• tools/testing/selftests/bpf/prog_tests/align.c, line 634
• tools/testing/selftests/bpf/prog_tests/ctx_rewrite.c, 2 times
• tools/testing/selftests/bpf/prog_tests/flow_dissector.c, 2 times
• tools/testing/selftests/bpf/prog_tests/lwt_helpers.h, line 50
• tools/testing/selftests/bpf/prog_tests/queue_stack_map.c, 2 times
• tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c, line 37
• tools/testing/selftests/bpf/prog_tests/tc_redirect.c, line 1085
• tools/testing/selftests/bpf/test_progs.c, line 1530
• tools/testing/selftests/bpf/test_verifier.c, line 1332
• tools/testing/selftests/bpf/xdp_hw_metadata.c, 2 times
• tools/testing/selftests/bpf/xskxceiver.c, line 491
• tools/testing/selftests/cgroup/cgroup_util.c, line 219
• tools/testing/selftests/media_tests/media_device_open.c, line 57
• tools/testing/selftests/media_tests/media_device_test.c, line 62
• tools/testing/selftests/media_tests/video_device_test.c, line 133
• tools/testing/selftests/mm/thp_settings.c, line 322
• tools/testing/selftests/mm/write_to_hugetlbfs.c, line 90
• tools/testing/selftests/net/ipsec.c, 13 times
• tools/testing/selftests/net/nettest.c, line 154
• tools/testing/selftests/net/tcp_ao/lib/sock.c, line 160
• tools/testing/selftests/powerpc/mm/tlbie_test.c, line 638
• tools/testing/selftests/resctrl/resctrlfs.c, line 43
• tools/testing/selftests/sync/sync.c, 2 times
• tools/thermal/tmon/tmon.c, line 233
• tools/tracing/latency/latency-collector.c, 3 times
• tools/tracing/rtla/src/timerlat_aa.c, 2 times
• tools/tracing/rtla/src/utils.c, line 554
• tools/usb/usbip/libsrc/usbip_common.c, 2 times
• tools/usb/usbip/libsrc/usbip_device_driver.c, 2 times
• tools/usb/usbip/src/usbip_attach.c, line 138
• tools/verification/rv/src/in_kernel.c, 3 times
• tools/virtio/vhost_net_test.c, 2 times