Messages in this thread Patch in this message | | | Date | Mon, 28 Sep 1998 17:44:31 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: 2.122 oops with java |
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On Mon, 28 Sep 1998, Slava wrote:
>Hello everybody, > >My jEdit editor (written in Java, available at my homepage) oopeses when >an >attempt is made to read from a Unix domain socket. C programs don't seem >to be >affected. This is kernel 2.1.122 with no non-standard patches + libc
java interpreter is a C program ;-).
This proggy trigger the bug:
#include <fcntl.h>
main() { int fd = open("/dev/printer", O_RDONLY); fcntl(fd, F_SETFL, O_ASYNC); }
/dev/printer is a local socket of course.
This should fix the bug:
--- /home/andrea/devel/kernel-tree/linux-2.1.122/fs/fcntl.c Tue Aug 25 20:19:57 1998 +++ linux/fs/fcntl.c Mon Sep 28 17:37:52 1998 @@ -97,7 +97,7 @@ /* Did FASYNC state change? */ if ((arg ^ filp->f_flags) & FASYNC) { - if (filp->f_op->fasync) + if (filp->f_op && filp->f_op->fasync) filp->f_op->fasync(fd, filp, (arg & FASYNC) != 0); } Andrea[s] Arcangeli
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