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Message-Id: <0bf2b252a7732efc87b91be2dc355c94a71806c3.1189583010.git.michael@ellerman.id.au>
Date: Wed, 12 Sep 2007 17:43:51 +1000 (EST)
From: Michael Ellerman <michael@...erman.id.au>
To: <linuxppc-dev@...abs.org>
Cc: Jeremy Kerr <jk@...abs.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 14/15] Respect RLIMIT_CORE in spu coredump code
Currently the spu coredump code doesn't respect the ulimit, it should.
Signed-off-by: Michael Ellerman <michael@...erman.id.au>
---
arch/powerpc/platforms/cell/spufs/coredump.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index c3b5cd5..b8ab2c6 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -53,8 +53,12 @@ static ssize_t do_coredump_read(int num, struct spu_context *ctx, void *buffer,
*/
static int spufs_dump_write(struct file *file, const void *addr, int nr, loff_t *foffset)
{
+ unsigned long limit = current->signal->rlim[RLIMIT_CORE].rlim_cur;
ssize_t written;
+ if (*foffset + nr > limit)
+ return -EIO;
+
written = file->f_op->write(file, addr, nr, &file->f_pos);
*foffset += written;
--
1.5.1.3.g7a33b
-
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