5f0732725
Denys Vlasenko
2025-04-21
Subject
cpio: error out if the file to be achived is >=4GB
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archival/cpio.c+6 -0
| @@ -350,6 +350,12 @@ static NOINLINE int cpio_o(void) | |
| st.st_dev = st.st_rdev = 0; | |
| #endif | |
| + | if (sizeof(st.st_size) > 4 |
| + | && st.st_size > (off_t)0xffffffff |
| + | ) { |
| + | bb_error_msg_and_die("error: file '%s' is larger than 4GB", name); |
| + | } |
| + | |
| bytes += printf("070701" | |
| "%08X%08X%08X%08X%08X%08X%08X" | |
| "%08X%08X%08X%08X" /* GNU cpio uses uppercase hex */ | |