Re: [PATCH 1/1] ext4, dio: Remove overflow for size >2G in aio-dio code.
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On Sun, May 20, 2012 at 1:01 AM, manish honap <manish_honap_vit@xxxxxxxxxxx> wrote: > > From: Manish Honap <manish_honap_vit@xxxxxxxxxxx> > > The direct-io.c::do_direct_io() returns int and this causes the results to > overflow for sizes>=2g; the following patch removes this bug. > > Signed-off-by: Manish Honap <manish_honap_vit@xxxxxxxxxxx> It should not be possible to do a write bigger than 2GB - the generic VFS layer should stop it. Exactly because of overflow avoidance issues (and because a single 2GB+ write would be insane and has serious DoS issues anyway). Can you actually *trigger* this issue some way? If so, we should fix that instead. Linus -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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