diff options
| author | Robert Evans <[email protected]> | 2024-03-29 17:59:23 -0400 |
|---|---|---|
| committer | Tony Hutter <[email protected]> | 2024-04-29 13:50:05 -0700 |
| commit | e0cfa1592da065fb0e0ba7579ea4d152ce099323 (patch) | |
| tree | 53e3b2c5b6d4568af9aecad3412ca5250986f3c2 /cmd | |
| parent | d088fb7d24083988f38e4224a6ef9cc71c12a6a3 (diff) | |
Fix buffer underflow if sysfs file is empty
Reviewed-by: Alexander Motin <[email protected]>
Reviewed-by: Tony Hutter <[email protected]>
Reviewed-by: Jason Lee <[email protected]>
Signed-off-by: Robert Evans <[email protected]>
Closes #16028
Closes #16035
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/zpool/os/linux/zpool_vdev_os.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cmd/zpool/os/linux/zpool_vdev_os.c b/cmd/zpool/os/linux/zpool_vdev_os.c index 006a3a7d8..80627b582 100644 --- a/cmd/zpool/os/linux/zpool_vdev_os.c +++ b/cmd/zpool/os/linux/zpool_vdev_os.c @@ -458,7 +458,7 @@ static char *zpool_sysfs_gets(char *path) } /* Remove trailing newline */ - if (buf[count - 1] == '\n') + if (count > 0 && buf[count - 1] == '\n') buf[count - 1] = 0; close(fd); |