diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-14 18:19:25 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-26 06:59:41 +0000 |
| commit | e162d63ae60ae9dc7528463756aca3e25705beaf (patch) | |
| tree | e89b9f277f47f01eeb94279c4e7c866413ad8cc2 | |
| parent | 7eadaf2894fdcb40f06db1e4afa8ee82c5439486 (diff) | |
util/nvmutil: guard against unlinking file
if someone deletes gbe.bin while operating, nvmutil
will now abort
Signed-off-by: Leah Rowe <leah@libreboot.org>
| -rw-r--r-- | util/nvmutil/nvmutil.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index a04ac7cb..3a6128f9 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -930,6 +930,9 @@ open_gbe_file(void) xopen(&gbe_fd, fname, command[cmd_index].flags | O_BINARY | O_NOFOLLOW, &gbe_st); + if (gbe_st.st_nlink == 0) + err(EIO, "%s: file unlinked while open", fname); + flags = fcntl(gbe_fd, F_GETFL); if (flags == -1) err(errno, "%s: fcntl(F_GETFL)", fname); |