* VFS bug? Trying to free free buffer
@ 2001-06-08 13:42 Alexey Vyskubov
2001-06-10 7:09 ` Tachino Nobuhiro
0 siblings, 1 reply; 2+ messages in thread
From: Alexey Vyskubov @ 2001-06-08 13:42 UTC (permalink / raw)
To: linux-kernel
Hello.
Kernel 2.4.5.
$ sudo mount -o iocharset=garbage /dev/cdrom /cdrom
VFS: brelse: Trying to free free buffer
--
Alexey
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: VFS bug? Trying to free free buffer
2001-06-08 13:42 VFS bug? Trying to free free buffer Alexey Vyskubov
@ 2001-06-10 7:09 ` Tachino Nobuhiro
0 siblings, 0 replies; 2+ messages in thread
From: Tachino Nobuhiro @ 2001-06-10 7:09 UTC (permalink / raw)
To: Alexey Vyskubov; +Cc: linux-kernel
Hello,
At Fri, 8 Jun 2001 16:42:54 +0300,
Alexey Vyskubov wrote:
>
> Hello.
>
> Kernel 2.4.5.
>
> $ sudo mount -o iocharset=garbage /dev/cdrom /cdrom
>
> VFS: brelse: Trying to free free buffer
I think this is the ISOFS's bug. If invalid iocharset is specified
as a mount option, isofs_read_super() tries to free the buffer_head twice.
This patch may help.
diff -r -u -N linux.org/fs/isofs/inode.c linux/fs/isofs/inode.c
--- linux.org/fs/isofs/inode.c Sun Jun 10 14:23:02 2001
+++ linux/fs/isofs/inode.c Sun Jun 10 15:10:38 2001
@@ -744,7 +744,7 @@
if (! s->u.isofs_sb.s_nls_iocharset) {
/* Fail only if explicit charset specified */
if (opt.iocharset)
- goto out_freebh;
+ goto out_unlock;
s->u.isofs_sb.s_nls_iocharset = load_nls_default();
}
}
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2001-06-08 13:42 VFS bug? Trying to free free buffer Alexey Vyskubov
2001-06-10 7:09 ` Tachino Nobuhiro
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