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Changeset 852803a in mainline


Ignore:
Timestamp:
2011-05-13T17:36:46Z (11 years ago)
Author:
Vojtech Horky <vojtechhorky@…>
Branches:
lfn, master
Children:
11e00c8
Parents:
55054db0
Message:

Fix buffer overflow

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/lib/c/generic/devman.c

    r55054db0 r852803a  
    415415        }
    416416
     417        /* To be on the safe-side. */
    417418        path[path_size - 1] = 0;
    418419
    419         if (IPC_GET_ARG2(data_request_call) >= path_size) {
     420        size_t transferred_size = IPC_GET_ARG2(data_request_call);
     421
     422        if (transferred_size >= path_size) {
    420423                return ELIMIT;
    421424        }
     425
     426        /* Terminate the string (trailing 0 not send over IPC). */
     427        path[transferred_size] = 0;
    422428
    423429        return EOK;
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