From d1d0162e50afe7fa1e2fc4a901eb411db48acd7b Mon Sep 17 00:00:00 2001 From: Xiaoming Ni Date: Fri, 4 Nov 2022 17:30:00 +0800 Subject: [PATCH] elf/tlsdeschtab.h: Add the Malloc return value check in _dl_make_tlsdesc_dynamic() Check the return value of malloc based on the function header comment of _dl_make_tlsdesc_dynamic(). If the return value fails, NULL is returned. Signed-off-by: Xiaoming Ni Reviewed-by: Szabolcs Nagy --- elf/tlsdeschtab.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/elf/tlsdeschtab.h b/elf/tlsdeschtab.h index 8c02e45a49..82733159e3 100644 --- a/elf/tlsdeschtab.h +++ b/elf/tlsdeschtab.h @@ -110,6 +110,8 @@ _dl_make_tlsdesc_dynamic (struct link_map *map, size_t ti_offset) } *entry = td = malloc (sizeof (struct tlsdesc_dynamic_arg)); + if (! td) + return 0; /* This may be higher than the map's generation, but it doesn't matter much. Worst case, we'll have one extra DTV update per thread. */