Jakub Kicinski dde7011a82 tools: bpftool: fix potential NULL pointer dereference in do_load ... This patch fixes a possible null pointer dereference in do_load, detected by the semantic patch deref_null.cocci, with the following warning: ./tools/bpf/bpftool/prog.c:1021:23-25: ERROR: map_replace is NULL but dereferenced. The following code has potential null pointer references: 881 map_replace = reallocarray(map_replace, old_map_fds + 1, 882 sizeof(*map_replace)); 883 if (!map_replace) { 884 p_err("mem alloc failed"); 885 goto err_free_reuse_maps; 886 } ... 1019 err_free_reuse_maps: 1020 for (i = 0; i < old_map_fds; i++) 1021 close(map_replace[i].fd); 1022 free(map_replace); Fixes: 3ff5a4dc5d ("tools: bpftool: allow reuse of maps with bpftool prog load") Co-developed-by: Wen Yang <wen.yang99@zte.com.cn> Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>		2018-11-22 00:45:51 +01:00
..
bpftool	tools: bpftool: fix potential NULL pointer dereference in do_load	2018-11-22 00:45:51 +01:00
.gitignore	tools/bpftool: ignore build products	2018-07-26 02:50:26 +02:00
bpf_asm.c
bpf_dbg.c	bpf: fix uninitialized variable in bpf tools	2018-04-26 22:23:02 +02:00
bpf_exp.l	bpf: fix cbpf parser bug for octal numbers	2018-06-03 07:46:55 -07:00
bpf_exp.y
bpf_jit_disasm.c	tools/bpf_jit_disasm: silence a static checker warning	2018-01-18 22:15:37 +01:00
Makefile	bpf: fix for lex/yacc build error with gcc-5	2018-04-25 23:27:46 +02:00
Makefile.helpers	tools: bpf: build and install man page for eBPF helpers from bpftool/	2018-07-12 18:55:53 +02:00