From: Jeremy Kerr <jk@ozlabs.org>
To: <linuxppc-dev@ozlabs.org>
Subject: [PATCH 24/25] spufs: Respect RLIMIT_CORE in spu coredump code
Date: Fri, 14 Sep 2007 16:32:54 +1000 [thread overview]
Message-ID: <1189751574.112789.12326246933.24.gpush@pokey> (raw)
In-Reply-To: <1189751574.98527.127994196313.1.gpush@pokey>
From: Michael Ellerman <michael@ellerman.id.au>
Currently the spu coredump code doesn't respect the ulimit, it should.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
arch/powerpc/platforms/cell/spufs/coredump.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index 6b8aef6..80f6236 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;
next prev parent reply other threads:[~2007-09-14 6:32 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 6:32 [PATCH 01/25] spufs: staticify file-internal functions & variables Jeremy Kerr
2007-09-14 6:32 ` [PATCH 22/25] spufs: Cleanup ELF coredump extra notes logic Jeremy Kerr
2007-09-14 6:32 ` [PATCH 07/25] spufs: remove asmlinkage from spufs_calls Jeremy Kerr
2007-09-14 6:32 ` [PATCH 13/25] spufs: Call spu_acquire_saved() before calculating the SPU note sizes Jeremy Kerr
2007-09-14 6:32 ` [PATCH 25/25] spufs: Add DEFINE_SPUFS_ATTRIBUTE() Jeremy Kerr
2007-09-14 6:32 ` [PATCH 04/25] spufs: make isolated loader properly aligned Jeremy Kerr
2007-09-14 6:32 ` [PATCH 20/25] spufs: Add contents of npc file to SPU coredumps Jeremy Kerr
2007-09-14 6:32 ` [PATCH 23/25] spufs: Handle errors in SPU coredump code, and support coredump to a pipe Jeremy Kerr
2007-09-14 6:32 ` [PATCH 15/25] spufs: Write some SPU coredump values as ASCII Jeremy Kerr
2007-09-14 6:32 ` [PATCH 21/25] spufs: Combine spufs_coredump_calls with spufs_calls Jeremy Kerr
2007-09-14 6:32 ` [PATCH 12/25] spufs: Remove ctx_info and ctx_info_list Jeremy Kerr
2007-09-14 6:32 ` [PATCH 11/25] spufs: Extract the file descriptor search logic in SPU coredump code Jeremy Kerr
2007-09-14 6:32 ` [PATCH 17/25] spufs: Don't return -ENOSYS as extra notes size if spufs is not loaded Jeremy Kerr
2007-09-14 6:32 ` [PATCH 16/25] spufs: Correctly calculate the size of the local-store to dump Jeremy Kerr
2007-09-14 6:32 ` [PATCH 06/25] cell: unify spufs syscall path Jeremy Kerr
2007-09-14 6:32 ` [PATCH 18/25] spufs: Get rid of spufs_coredump_num_notes, it's not needed if we NULL terminate Jeremy Kerr
2007-09-14 6:32 ` [PATCH 09/25] cell: remove DEBUG for spu callbacks Jeremy Kerr
2007-09-14 7:43 ` Christoph Hellwig
2007-09-14 6:32 ` [PATCH 05/25] spufs: fix race condition on gang->aff_ref_spu Jeremy Kerr
2007-09-14 6:32 ` [PATCH 10/25] spusched: fix null pointer dereference in find_victim Jeremy Kerr
2007-09-14 7:44 ` Christoph Hellwig
2007-09-20 0:13 ` Jeremy Kerr
2007-09-14 6:32 ` Jeremy Kerr [this message]
2007-09-14 6:32 ` [PATCH 08/25] Fix restore_decr_wrapped() to match CBE Handbook Jeremy Kerr
2007-09-14 6:32 ` [PATCH 14/25] spufs: Use computed sizes/#defines rather than literals in SPU coredump code Jeremy Kerr
2007-09-14 6:32 ` [PATCH 19/25] spufs: Internal __spufs_get_foo() routines should take a spu_context * Jeremy Kerr
2007-09-14 7:43 ` Christoph Hellwig
2007-09-14 6:32 ` [PATCH 02/25] spufs: remove asmlinkage from do_spu_create Jeremy Kerr
2007-09-14 7:44 ` Christoph Hellwig
2007-09-14 6:32 ` [PATCH 03/25] spufs: remove spu_harvest Jeremy Kerr
2007-09-14 7:42 ` [PATCH 01/25] spufs: staticify file-internal functions & variables Christoph Hellwig
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