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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-14 10:57:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-14 10:57:40 -0700
commit0eead9ab41da33644ae2c97c57ad03da636a0422 (patch)
tree757516bc7caa70a10101264edc3eac7d44c11ce8 /fs/binfmt_aout.c
parent53eeb64e808971207350386121f4bab12fa2f45f (diff)
Don't dump task struct in a.out core-dumps
akiphie points out that a.out core-dumps have that odd task struct dumping that was never used and was never really a good idea (it goes back into the mists of history, probably the original core-dumping code). Just remove it. Also do the access_ok() check on dump_write(). It probably doesn't matter (since normal filesystems all seem to do it anyway), but he points out that it's normally done by the VFS layer, so ... [ I suspect that we should possibly do "vfs_write()" instead of calling ->write directly. That also does the whole fsnotify and write statistics thing, which may or may not be a good idea. ] And just to be anal, do this all for the x86-64 32-bit a.out emulation code too, even though it's not enabled (and won't currently even compile) Reported-by: akiphie <akiphie@lavabit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/binfmt_aout.c')
-rw-r--r--fs/binfmt_aout.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index f96eff04e11..a6395bdb26a 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -134,10 +134,6 @@ static int aout_core_dump(struct coredump_params *cprm)
if (!dump_write(file, dump_start, dump_size))
goto end_coredump;
}
-/* Finally dump the task struct. Not be used by gdb, but could be useful */
- set_fs(KERNEL_DS);
- if (!dump_write(file, current, sizeof(*current)))
- goto end_coredump;
end_coredump:
set_fs(fs);
return has_dumped;