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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 <thorsten.blum@linux.dev>
Link: https://lore.kernel.org/r/20251011004750.461954-1-thorsten.blum@linux.dev
Signed-off-by: Paul Walmsley <pjw@kernel.org>
pull/1354/merge
Thorsten Blum 2025-10-11 02:47:47 +02:00 committed by Paul Walmsley
parent 44aa25c000
commit 5228ed2c62
1 changed files with 2 additions and 2 deletions
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4
arch/riscv/kernel/kgdb.c
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@ -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,