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cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request);
list_del_init(&priv_req->list);
...
'priv_req' actually free at cdns3_gadget_ep_free_request(). But
list_del_init() use priv_req->list after it.
[ 1542.642868][ T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4
[ 1542.642868][ T534]
[ 1542.653162][ T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):
[ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4
[ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]
[ 1542.671571][ T534] usb_ep_disable+0x44/0xe4
[ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8
[ 1542.680839][ T534] ffs_func_set_alt+0x74/0x368
[ 1542.685478][ T534] ffs_func_disable+0x18/0x28
Move list_del_init() before cdns3_gadget_ep_free_request() to resolve this
problem.
Cc: stable@vger.kernel.org
Fixes:
|
||
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.. | ||
cdns3-debug.h | ||
cdns3-ep0.c | ||
cdns3-gadget.c | ||
cdns3-gadget.h | ||
cdns3-imx.c | ||
cdns3-pci-wrap.c | ||
cdns3-plat.c | ||
cdns3-starfive.c | ||
cdns3-ti.c | ||
cdns3-trace.c | ||
cdns3-trace.h | ||
cdnsp-debug.h | ||
cdnsp-ep0.c | ||
cdnsp-gadget.c | ||
cdnsp-gadget.h | ||
cdnsp-mem.c | ||
cdnsp-pci.c | ||
cdnsp-ring.c | ||
cdnsp-trace.c | ||
cdnsp-trace.h | ||
core.c | ||
core.h | ||
drd.c | ||
drd.h | ||
gadget-export.h | ||
host-export.h | ||
host.c | ||
Kconfig | ||
Makefile |