diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-14 18:19:25 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-14 18:19:46 +0000 |
| commit | ebffecf04b4a77b83e763651957db5e4a9c488a4 (patch) | |
| tree | 91f9679b24b1aa184863a039e89a2167159cefab /util/nvmutil | |
| parent | cde085d54eb9375ed6acd8fdd04fad29ad005208 (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>
Diffstat (limited to 'util/nvmutil')
| -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); |