linux-stable/net/bluetooth/bnep
Ye Bin 64a90991ba Bluetooth: bnep: fix wild-memory-access in proto_unregister
There's issue as follows:
  KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f]
  CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G        W
  RIP: 0010:proto_unregister+0xee/0x400
  Call Trace:
   <TASK>
   __do_sys_delete_module+0x318/0x580
   do_syscall_64+0xc1/0x1d0
   entry_SYSCALL_64_after_hwframe+0x77/0x7f

As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init()
will cleanup all resource. Then when remove bnep module will call
bnep_sock_cleanup() to cleanup sock's resource.
To solve above issue just return bnep_sock_init()'s return value in
bnep_exit().

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2024-10-16 16:10:03 -04:00
..
bnep.h Bluetooth: Replace zero-length array with flexible-array member 2020-02-28 08:30:02 +01:00
core.c Bluetooth: bnep: fix wild-memory-access in proto_unregister 2024-10-16 16:10:03 -04:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
netdev.c netdev: pass the stuck queue to the timeout handler 2019-12-12 21:38:57 -08:00
sock.c Bluetooth: Consolidate code around sk_alloc into a helper function 2023-08-11 11:36:50 -07:00