From: Heather McIntyre <hsm2@rice.edu>
Date: Tue, 10 Oct 2023 11:16:03 +0000 (+0200)
Subject: libelf: Fix elf_end deadlock
X-Git-Tag: elfutils-0.190~15
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=10aa68e6ed13772e520f1bc2dac3dd6e07d8991c;p=thirdparty%2Felfutils.git

libelf: Fix elf_end deadlock

	* libelf/elf_end.c (elf_end): Add rwlock_unlock before
	early return.

Signed-off-by: Heather S. McIntyre <hsm2@rice.edu>
Signed-off-by: Mark Wielaard <mark@klomp.org>
---

diff --git a/libelf/elf_end.c b/libelf/elf_end.c
index 89727cb31..80f4d13fa 100644
--- a/libelf/elf_end.c
+++ b/libelf/elf_end.c
@@ -82,7 +82,10 @@ elf_end (Elf *elf)
       elf->state.ar.ar_sym = NULL;
 
       if (elf->state.ar.children != NULL)
-	return 0;
+	{
+	  rwlock_unlock(elf->lock);
+	  return 0;
+	}
     }
 
   /* Remove this structure from the children list.  */