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Message-Id: <20140628174451.615443790@linuxfoundation.org> Date: Sat, 28 Jun 2014 10:46:31 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Liu Bo <bo.li.liu@...cle.com>, Chris Mason <clm@...com> Subject: [PATCH 3.4 40/43] Btrfs: use right type to get real comparison 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Liu Bo <bo.li.liu@...cle.com> commit cd857dd6bc2ae9ecea14e75a34e8a8fdc158e307 upstream. We want to make sure the point is still within the extent item, not to verify the memory it's pointing to. Signed-off-by: Liu Bo <bo.li.liu@...cle.com> Signed-off-by: Chris Mason <clm@...com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- fs/btrfs/backref.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1033,7 +1033,7 @@ static int __get_extent_inline_ref(unsig *out_eiref = (struct btrfs_extent_inline_ref *)(ei + 1); } *ptr = (unsigned long)*out_eiref; - if ((void *)*ptr >= (void *)ei + item_size) + if ((unsigned long)(*ptr) >= (unsigned long)ei + item_size) return -ENOENT; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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