Did another check.
This sample
x3EwMDAwMDAwMDAwMDAwMDAwMDAAADAwMDA=
now causes a null pointer deref and segfault.
==31105==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc
0x55857f5e1f23 bp 0x000000000000 sp 0x7ffe483d2f30 T0)
==31105==The signal is caused by a READ memory access.
==31105==Hint: address points to the zero page.
#0 0x55857f5e1f22 in read_name_from_file /tmp/cpio/src/copyin.c:1003
#1 0x55857f5e1f22 in read_in_binary /tmp/cpio/src/copyin.c:1146
#2 0x55857f5e3adb in read_in_header /tmp/cpio/src/copyin.c:989
#3 0x55857f5e5a1f in process_copy_in /tmp/cpio/src/copyin.c:1285
#4 0x55857f5cde62 in main /tmp/cpio/src/main.c:780
#5 0x7f08bbd53f1a in __libc_start_main (/lib64/libc.so.6+0x23f1a)
#6 0x55857f5cefd9 in _start (/tmp/c/cpio+0x13fd9)
--
Hanno Böck
https://hboeck.de/
mail/jabber: ha...@hboeck.de
GPG: FE73757FA60E4E21B937579FA5880072BBB51E42
