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Date: Sat, 28 Mar 2009 20:12:08 +0100 From: Marcin Slusarz <marcin.slusarz@...il.com> To: Dan Carpenter <error27@...il.com> CC: LKML <linux-kernel@...r.kernel.org>, eteo@...hat.com, linux-usb@...r.kernel.org, netdev@...r.kernel.org, linux-media@...r.kernel.org, general@...ts.openfabrics.org Subject: Re: Dereferencing freed memory bugs Dan Carpenter wrote: > I added a check to smatch (http://repo.or.cz/w/smatch.git/) to check > for when we dereference > freed memory. > > drivers/dma/dmatest.c +410 dmatest_exit(7) 'dtc' > drivers/dma/dmatest.c +412 dmatest_exit(9) 'dtc' Seems to be fixed by 7cbd4877e5b167b56a3d6033b926a9f925186e12: dmatest: fix use after free in dmatest_exit > drivers/infiniband/hw/nes/nes_cm.c +563 nes_cm_timer_tick(121) 'cm_node' > drivers/infiniband/hw/nes/nes_cm.c +621 nes_cm_timer_tick(179) 'cm_node' > (...) > drivers/usb/host/ehci-hcd.c +1661 itd_complete(79) 'stream' > drivers/usb/host/ehci-hcd.c +2036 sitd_complete(64) 'stream' > drivers/uwb/reset.c +193 __uwb_rc_cmd(26) 'cmd' > (...) > net/netfilter/xt_recent.c +273 recent_mt(69) 'e' > (...) > drivers/media/video/cpia_pp.c +777 cpia_pp_detach(28) 'cpia' > (...) These are less obvious. Adding CCs. Please leave only one of openfabrics/linux-usb/netdev/linux-media in CCs when responding. ps: [s]itd_complete is in drivers/usb/host/ehci-sched.c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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