Messages in this thread | | | Date | Mon, 15 Oct 2012 16:55:21 -0700 | Subject | Re: Fix memory leak in binder--version2 | From | Arve Hjønnevåg <> |
| |
On Mon, Oct 15, 2012 at 3:52 PM, Greg KH <gregkh@linuxfoundation.org> wrote: > On Mon, Oct 15, 2012 at 07:20:01AM +0000, Tu, Xiaobing wrote: >> After enabling kmemleak and run monkey, following memleak is reported: >> unreferenced object 0xeed27f80 (size 64): >> comm "Binder_8", pid 641, jiffies 4294946341 (age 2275.810s) >> hex dump (first 32 bytes): >> 4f dd 00 00 84 7f d2 ee 84 7f d2 ee 01 00 00 00 O............... >> 00 00 00 00 00 00 00 00 00 aa 4c d7 00 00 00 00 ..........L..... >> backtrace: >> [<c184fabc>] kmemleak_alloc+0x3c/0xa0 >> [<c12f391e>] kmem_cache_alloc_trace+0x9e/0x180 >> [<c1668bb5>] binder_thread_write+0xcf5/0x23a0 >> [<c166b091>] binder_ioctl+0x1f1/0x530 >> [<c130dcf6>] do_vfs_ioctl+0x86/0x5e0 >> [<c130e282>] sys_ioctl+0x32/0x60 >> [<c1872e01>] syscall_call+0x7/0xb >> [<ffffffff>] 0xffffffff >> >> The work item in async_todo list is not freed when binder released. >> Also the async transaction should also be freed in binder_release_work. >> >> Signed-off-by: Leon Ma <xindong.ma@intel.com> >> Signed-off-by: Di Zhang <di.zhang@intel.com> >> --- >> drivers/staging/android/binder.c | 6 ++++++ >> 1 files changed, 6 insertions(+), 0 deletions(-) > > Nice fix, but next time can you at least use scripts/get_maintainer.pl > to figure out who to send this to? I'll queue it up soon, but it took > akpm to point me at this for me to notice it.
This patch was just pointer out to me as well. I have a similar fix queued up at https://android-review.googlesource.com/#/c/43801/ that is still being tested. It fixes this leak and a theoretical leak of death notification objects.
-- Arve Hjønnevåg -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |