Attachment 291975 Details for Bug 409221 – Patch for RHEL-5 kernel

[patch] Patch for RHEL-5 kernel

ppcdiff.rhel5 (text/plain), 1.04 KB, created by Christine Caulfield on 2008-01-17 09:56:47 UTC

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Creator: Christine Caulfield

Created: 2008-01-17 09:56:47 UTC

Size: 1.04 KB

patch

obsolete

>--- linux-2.6.18.noarch/fs/dlm/user.c.orig	2008-01-17 08:48:27.000000000 +0000
>+++ linux-2.6.18.noarch/fs/dlm/user.c	2008-01-17 08:49:33.000000000 +0000
>@@ -83,7 +83,8 @@
> };
> 
> static void compat_input(struct dlm_write_request *kb,
>-			 struct dlm_write_request32 *kb32)
>+			 struct dlm_write_request32 *kb32,
>+			 int max_namelen)
> {
> 	kb->version[0] = kb32->version[0];
> 	kb->version[1] = kb32->version[1];
>@@ -113,7 +114,10 @@
> 		kb->i.lock.bastaddr = (void *)(long)kb32->i.lock.bastaddr;
> 		kb->i.lock.lksb = (void *)(long)kb32->i.lock.lksb;
> 		memcpy(kb->i.lock.lvb, kb32->i.lock.lvb, DLM_USER_LVB_LEN);
>-		memcpy(kb->i.lock.name, kb32->i.lock.name, kb->i.lock.namelen);
>+		if (kb->i.lock.namelen <= max_namelen)
>+			memcpy(kb->i.lock.name, kb32->i.lock.name, kb->i.lock.namelen);
>+		else
>+			kb->i.lock.namelen = max_namelen;
> 	}
> }
> 
>@@ -530,7 +534,7 @@
> 
> 		if (proc)
> 			set_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags);
>-		compat_input(kbuf, k32buf);
>+		compat_input(kbuf, k32buf, count - sizeof(struct dlm_write_request32));
> 		kfree(k32buf);
> 	}
> #endif

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Attachments on bug 409221: 291975