diff options
| author | Lennart Poettering <lennart@poettering.net> | 2019-01-28 17:33:08 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2019-03-01 12:41:32 +0100 |
| commit | c4ba5b516d03ec0973b5c4ad58e2735d96b1bd83 (patch) | |
| tree | bceb46de2135a2cdacd4ed0e7446dc77c46f066a /src | |
| parent | bootctl: use SYNTHETIC_ERRNO() where appropriate (diff) | |
| download | systemd-c4ba5b516d03ec0973b5c4ad58e2735d96b1bd83.tar.xz systemd-c4ba5b516d03ec0973b5c4ad58e2735d96b1bd83.zip | |
bootctl: safety check for regular file when reading EFI images
Diffstat (limited to 'src')
| -rw-r--r-- | src/boot/bootctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c index 1dbe00adb6..2424aa011f 100644 --- a/src/boot/bootctl.c +++ b/src/boot/bootctl.c @@ -96,6 +96,10 @@ static int get_file_version(int fd, char **v) { if (fstat(fd, &st) < 0) return log_error_errno(errno, "Failed to stat EFI binary: %m"); + r = stat_verify_regular(&st); + if (r < 0) + return log_error_errno(errno, "EFI binary is not a regular file: %m"); + if (st.st_size < 27) { *v = NULL; return 0; |