[LU-7948] Array Index Out of Bounds in osd_start()

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.9.0
• Labels: kw
• Severity: 3
• Assignee: WC Triage
• Reporter: Dmitry Eremin (Inactive)

Description

char flagstr[16];
[...]
sprintf(flagstr, "%lu:%lu", mflags, (unsigned long) lmd->lmd_flags);

TRACEBACK

• An event which alters the program's state, leading to the defect
  obd_mount_server.c:1683: Array 'flagstr' size is 16.
  • An event which alters the program's state, leading to the defect
    obd_mount_server.c:1694: 'flagstr' is passed as an argument to function 'sprintf'.
    • An event which alters the program's state, leading to the defect
      obd_mount_server.c:1694: Length of format string "%lu:%lu" is 21.
    • An event which alters the program's state, leading to the defect
      obd_mount_server.c:1694: Length of non-format characters is 1.
    • An event which alters the program's state, leading to the defect
      obd_mount_server.c:1694: Length of conversion specification '%u' for argument 'mflags' is 10.
    • An event which alters the program's state, leading to the defect
      obd_mount_server.c:1694: Length of conversion specification '%u' for argument 'lmd->lmd_flags' is 10.

Issue Links

• duplicates: LU-10264 New static analysis issues in v2_10_55_0-30-g3cbe63e
• is related to: LU-10264 New static analysis issues in v2_10_55_0-30-g3cbe63e