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(KnoxPortal) with ESMTPA id 20220520083725epsmtip23ee302e3ef5a51c52121b1c30ddb4167~ww1f26llB3055130551epsmtip2R; Fri, 20 May 2022 08:37:25 +0000 (GMT) From: Maninder Singh To: keescook@chromium.org, pmladek@suse.com, bcain@quicinc.com, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, satishkh@cisco.com, sebaddel@cisco.com, kartilak@cisco.com, jejb@linux.ibm.com, martin.petersen@oracle.com, mcgrof@kernel.org, jason.wessel@windriver.com, daniel.thompson@linaro.org, dianders@chromium.org, naveen.n.rao@linux.ibm.com, anil.s.keshavamurthy@intel.com, davem@davemloft.net, mhiramat@kernel.org, peterz@infradead.org, mingo@redhat.com, will@kernel.org, longman@redhat.com, boqun.feng@gmail.com, rostedt@goodmis.org, senozhatsky@chromium.org, andriy.shevchenko@linux.intel.com, linux@rasmusvillemoes.dk, akpm@linux-foundation.org, arnd@arndb.de Cc: linux-hexagon@vger.kernel.org, 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Co-developed-by: Onkarnath Signed-off-by: Onkarnath Signed-off-by: Maninder Singh --- kernel/kallsyms.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index f354378e241f..9e4316fe0ba1 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -472,28 +472,29 @@ static int __sprint_symbol(char *buffer, size_t buf_size, unsigned long address, name = kallsyms_lookup_buildid(address, &size, &offset, &modname, &buildid, buffer); if (!name) - return sprintf(buffer, "0x%lx", address - symbol_offset); + return scnprintf(buffer, buf_size, "0x%lx", address - symbol_offset); if (name != buffer) - strcpy(buffer, name); + strncpy(buffer, name, buf_size); + len = strlen(buffer); offset -= symbol_offset; if (add_offset) - len += sprintf(buffer + len, "+%#lx/%#lx", offset, size); + len += scnprintf(buffer + len, buf_size - len, "+%#lx/%#lx", offset, size); if (modname) { - len += sprintf(buffer + len, " [%s", modname); + len += scnprintf(buffer + len, buf_size - len, " [%s", modname); #if IS_ENABLED(CONFIG_STACKTRACE_BUILD_ID) if (add_buildid && buildid) { /* build ID should match length of sprintf */ #if IS_ENABLED(CONFIG_MODULES) static_assert(sizeof(typeof_member(struct module, build_id)) == 20); #endif - len += sprintf(buffer + len, " %20phN", buildid); + len += scnprintf(buffer + len, buf_size - len, " %20phN", buildid); } #endif - len += sprintf(buffer + len, "]"); + len += scnprintf(buffer + len, buf_size - len, "]"); } return len;