Debian 3.0 (woody) stable. Kernel 2.4.21 ...
bash 2.05a
$ulimit -u
1791
---No problems here. In 1-2 secs the process dies and all is ok, i can work with the shell without any problem.
Seeya
At 16:43 08/07/2003 -0400, jhigdon wrote: >Ryan Underwood wrote: > >>Hi, >> >> >> >>>That's what per-user process limits are for. Doesn't matter if it's a >>>shellscript or something else; any system without limits set is >>>vulnerable. >>> >> >>I agree, but it would also be nice to have a way to clean up after the >>fact without giving up the box. My limit is set at 2047 processes >>which, while being a lot, doesn't seem like enough to guarantee a dead >>box. (Don't many busy systems have more than this number running at any >>given time?) >> >> >> >>>It's a base redhat kernel, after the cannot allocate memory, my system >>>returned to normal operation and it didnt die. >>>Is this the type of behavior you were looking for? or am i off base? >>> >>>Linux sloth 2.4.20-8 #1 Thu Mar 13 17:54:28 EST 2003 i686 i686 i386 >>>GNU/Linux >>> >>>$ :(){ :|:&};: >>>[1] 3071 >>> >>>$ >>>[1]+ Done : | : >>> >>>$ -bash: fork: Cannot allocate memory >>>-bash: fork: Cannot allocate memory >>>-bash: fork: Cannot allocate memory >>>-bash: fork: Cannot allocate memory >>> >> >>Nope, on my system running stock 2.4.21, after hitting enter, wait about 2 >>seconds, and the system is frozen. Telnet connects but never gets a >>shell. None of the SysRq process-killing combos have any effect. After >>a few failed killalls (which eventually killed the one shell I was able >>to get), and Alt-SysRq-S never completing the sync, I gave up and >>Alt-SysRq-B. >> >>What does ulimit -u say on your system? 2047 on mine. >> >> >$ ulimit -u >3072 > > >Have you tried this on any 2.5.x kernels? Just curious to see what it >does, I plan on giving it a go later. > > >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/
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