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android_kernel_samsung_a7y1.../drivers/parport
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YueHaibing 71f775ba5d parport: Fix mem leak in parport_register_dev_model 
[ Upstream commit 1c7ebeabc9e5ee12e42075a597de40fdb9059530 ]

BUG: memory leak
unreferenced object 0xffff8881df48cda0 (size 16):
  comm "syz-executor.0", pid 5077, jiffies 4295994670 (age 22.280s)
  hex dump (first 16 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000d2d0d5fe>] parport_register_dev_model+0x141/0x6e0 [parport]
    [<00000000782f6dab>] 0xffffffffc15d1196
    [<00000000d2ca6ae4>] platform_drv_probe+0x7e/0x100
    [<00000000628c2a94>] really_probe+0x342/0x4d0
    [<000000006874f5da>] driver_probe_device+0x8c/0x170
    [<00000000424de37a>] __device_attach_driver+0xda/0x100
    [<000000002acab09a>] bus_for_each_drv+0xfe/0x170
    [<000000003d9e5f31>] __device_attach+0x190/0x230
    [<0000000035d32f80>] bus_probe_device+0x123/0x140
    [<00000000a05ba627>] device_add+0x7cc/0xce0
    [<000000003f7560bf>] platform_device_add+0x230/0x3c0
    [<000000002a0be07d>] 0xffffffffc15d0949
    [<000000007361d8d2>] port_check+0x3b/0x50 [parport]
    [<000000004d67200f>] bus_for_each_dev+0x115/0x180
    [<000000003ccfd11c>] __parport_register_driver+0x1f0/0x210 [parport]
    [<00000000987f06fc>] 0xffffffffc15d803e

After commit 4e5a74f1db8d ("parport: Revert "parport: fix
memory leak""), free_pardevice do not free par_dev->state,
we should free it in error path of parport_register_dev_model
before return.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 4e5a74f1db8d ("parport: Revert "parport: fix memory leak"")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-04-06 19:16:22 +02:00
..
BUGS-parport A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
daisy.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
ieee1284_ops.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
ieee1284.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
Kconfig A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
Makefile A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
multiface.h A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_amiga.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_atari.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_ax88796.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_cs.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_gsc.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_gsc.h A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_ip32.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_mfc3.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_pc.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_serial.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
parport_sunbpp.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
probe.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
procfs.c A750FXXU4CTBC 2020-03-27 21:51:54 +05:30
share.c parport: Fix mem leak in parport_register_dev_model 2020-04-06 19:16:22 +02:00
TODO-parport A750FXXU4CTBC 2020-03-27 21:51:54 +05:30