From 1cce91d8aed5c3eca2b6f47767c82d9ed3e9e33f Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 8 Apr 2024 09:06:09 -0700 Subject: [PATCH] elf: Check objname before calling fatal_error _dl_signal_error may be called with objname == NULL. _dl_exception_create checks objname == NULL. But fatal_error doesn't. Check objname before calling fatal_error. This fixes BZ #31596. Reference:https://sourceware.org/git/?p=glibc.git;a=commit;h=1cce91d8aed5c3eca2b6f47767c82d9ed3e9e33f Reviewed-by: Sunil K Pandey --- elf/dl-error-skeleton.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/elf/dl-error-skeleton.c b/elf/dl-error-skeleton.c index b699936c..26dfab55 100644 --- a/elf/dl-error-skeleton.c +++ b/elf/dl-error-skeleton.c @@ -121,7 +121,11 @@ _dl_signal_error (int errcode, const char *objname, const char *occation, __longjmp (lcatch->env[0].__jmpbuf, 1); } else + { + if (objname == NULL) + objname = ""; fatal_error (errcode, objname, occation, errstring); + } } libc_hidden_def (_dl_signal_error) -- 2.33.0