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Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack
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From: |
Sergey Poznyakoff |
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Subject: |
Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow |
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Date: |
Fri, 17 Aug 2007 14:05:28 +0300 |
Dmitry V. Levin <address@hidden> ha escrit:
> My suggestion is to avoid using alloca() with user controllable size.
> In this particular case, memcpy() call could be optimized out as well.
The proposed patch will make things worse: tar will segfault, because
the passed string is freed after inserting it in the hash table.
Regards,
Sergey
- [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Dmitry V. Levin, 2007/08/16
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Ladislav Michnovič, 2007/08/17
- Re: [Bug-tar] Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Sergey Poznyakoff, 2007/08/17
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Dmitry V. Levin, 2007/08/17
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Ladislav Michnovič, 2007/08/17
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Ladislav Michnovič, 2007/08/21
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Dmitry V. Levin, 2007/08/22
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Ladislav Michnovič, 2007/08/23
- Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow, Dmitry V. Levin, 2007/08/23
Re: [Bug-cpio] [PATCH] lib/paxnames.c: Do not use alloca to avoid stack overflow,
Sergey Poznyakoff <=