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719dfd5925
kallsyms_lookup() which in turn calls kallsyms_lookup_buildid() writes to index "KSYM_NAME_LEN - 1". Thus the array passed as namebuf to kallsyms_lookup() should be KSYM_NAME_LEN in size. In xmon.c the array was defined to be "128" bytes directly, without using KSYM_NAME_LEN. Commitb8a94bfb33("kallsyms: increase maximum kernel symbol length to 512") changed the value to 512, but missed updating the xmon code. Fixes:b8a94bfb33("kallsyms: increase maximum kernel symbol length to 512") Cc: stable@vger.kernel.org # v6.1+ Co-developed-by: Onkarnath <onkarnath.1@samsung.com> Signed-off-by: Onkarnath <onkarnath.1@samsung.com> Signed-off-by: Maninder Singh <maninder1.s@samsung.com> [mpe: Tweak change log wording and fix commit reference] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230529111337.352990-2-maninder1.s@samsung.com