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Red Hat Bugzilla – Attachment 312324 Details for
Bug 456218
kernel: serial open/close loop disables irq [rhel-5.3]
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Reproducer
serial-race.c (text/plain), 255 bytes, created by
Eugene Teo (Security Response)
on 2008-07-22 10:00:13 UTC
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Description:
Reproducer
Filename:
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Creator:
Eugene Teo (Security Response)
Created:
2008-07-22 10:00:13 UTC
Size:
255 bytes
patch
obsolete
>#include <stdio.h> >#include <unistd.h> >#include <errno.h> >#include <fcntl.h> > >int main() { > while(1) { > int fd = open("/dev/ttyS0", O_RDONLY | O_NOCTTY); > if (fd < 0) > fprintf(stderr, "%s\n", strerror(errno)); > else > close(fd); > } >} >
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