From: Thorsten Blum Date: Sat, 11 Oct 2025 00:47:47 +0000 (+0200) Subject: riscv: KGDB: Replace deprecated strcpy in kgdb_arch_handle_qxfer_pkt X-Git-Tag: v6.18-rc5~23^2~1 X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=5228ed2c624449d1a53d1c84ba01c021d2df95c0;p=linux%2F.git riscv: KGDB: Replace deprecated strcpy in kgdb_arch_handle_qxfer_pkt strcpy() is deprecated because it can cause a buffer overflow when the sizes of the source and the destination are not known at compile time. Use strscpy() instead. Link: https://github.com/KSPP/linux/issues/88 Signed-off-by: Thorsten Blum Link: https://lore.kernel.org/r/20251011004750.461954-1-thorsten.blum@linux.dev Signed-off-by: Paul Walmsley --- diff --git a/arch/riscv/kernel/kgdb.c b/arch/riscv/kernel/kgdb.c index 9f3db3503dab..15fec5d1e6de 100644 --- a/arch/riscv/kernel/kgdb.c +++ b/arch/riscv/kernel/kgdb.c @@ -265,10 +265,10 @@ void kgdb_arch_handle_qxfer_pkt(char *remcom_in_buffer, { if (!strncmp(remcom_in_buffer, gdb_xfer_read_target, sizeof(gdb_xfer_read_target))) - strcpy(remcom_out_buffer, riscv_gdb_stub_target_desc); + strscpy(remcom_out_buffer, riscv_gdb_stub_target_desc, BUFMAX); else if (!strncmp(remcom_in_buffer, gdb_xfer_read_cpuxml, sizeof(gdb_xfer_read_cpuxml))) - strcpy(remcom_out_buffer, riscv_gdb_stub_cpuxml); + strscpy(remcom_out_buffer, riscv_gdb_stub_cpuxml, BUFMAX); } static inline void kgdb_arch_update_addr(struct pt_regs *regs,