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eb0c199422
linux_dsm_epyc7002/drivers/media/usb/dvb-usb
History
Andrey Konovalov eb0c199422 media: dib0700: fix invalid dvb_detach argument 
dvb_detach(arg) calls symbol_put_addr(arg), where arg should be a pointer
to a function. Right now a pointer to state->dib7000p_ops is passed to
dvb_detach(), which causes a BUG() in symbol_put_addr() as discovered by
syzkaller. Pass state->dib7000p_ops.set_wbd_ref instead.

------------[ cut here ]------------
kernel BUG at kernel/module.c:1081!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 1151 Comm: kworker/1:1 Tainted: G        W
4.14.0-rc1-42251-gebb2c2437d80 #224
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Workqueue: usb_hub_wq hub_event
task: ffff88006a336300 task.stack: ffff88006a7c8000
RIP: 0010:symbol_put_addr+0x54/0x60 kernel/module.c:1083
RSP: 0018:ffff88006a7ce210 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880062a8d190 RCX: 0000000000000000
RDX: dffffc0000000020 RSI: ffffffff85876d60 RDI: ffff880062a8d190
RBP: ffff88006a7ce218 R08: 1ffff1000d4f9c12 R09: 1ffff1000d4f9ae4
R10: 1ffff1000d4f9bed R11: 0000000000000000 R12: ffff880062a8d180
R13: 00000000ffffffed R14: ffff880062a8d190 R15: ffff88006947c000
FS:  0000000000000000(0000) GS:ffff88006c900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6416532000 CR3: 00000000632f5000 CR4: 00000000000006e0
Call Trace:
 stk7070p_frontend_attach+0x515/0x610
drivers/media/usb/dvb-usb/dib0700_devices.c:1013
 dvb_usb_adapter_frontend_init+0x32b/0x660
drivers/media/usb/dvb-usb/dvb-usb-dvb.c:286
 dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:86
 dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:162
 dvb_usb_device_init+0xf70/0x17f0 drivers/media/usb/dvb-usb/dvb-usb-init.c:277
 dib0700_probe+0x171/0x5a0 drivers/media/usb/dvb-usb/dib0700_core.c:886
 usb_probe_interface+0x35d/0x8e0 drivers/usb/core/driver.c:361
 really_probe drivers/base/dd.c:413
 driver_probe_device+0x610/0xa00 drivers/base/dd.c:557
 __device_attach_driver+0x230/0x290 drivers/base/dd.c:653
 bus_for_each_drv+0x161/0x210 drivers/base/bus.c:463
 __device_attach+0x26e/0x3d0 drivers/base/dd.c:710
 device_initial_probe+0x1f/0x30 drivers/base/dd.c:757
 bus_probe_device+0x1eb/0x290 drivers/base/bus.c:523
 device_add+0xd0b/0x1660 drivers/base/core.c:1835
 usb_set_configuration+0x104e/0x1870 drivers/usb/core/message.c:1932
 generic_probe+0x73/0xe0 drivers/usb/core/generic.c:174
 usb_probe_device+0xaf/0xe0 drivers/usb/core/driver.c:266
 really_probe drivers/base/dd.c:413
 driver_probe_device+0x610/0xa00 drivers/base/dd.c:557
 __device_attach_driver+0x230/0x290 drivers/base/dd.c:653
 bus_for_each_drv+0x161/0x210 drivers/base/bus.c:463
 __device_attach+0x26e/0x3d0 drivers/base/dd.c:710
 device_initial_probe+0x1f/0x30 drivers/base/dd.c:757
 bus_probe_device+0x1eb/0x290 drivers/base/bus.c:523
 device_add+0xd0b/0x1660 drivers/base/core.c:1835
 usb_new_device+0x7b8/0x1020 drivers/usb/core/hub.c:2457
 hub_port_connect drivers/usb/core/hub.c:4903
 hub_port_connect_change drivers/usb/core/hub.c:5009
 port_event drivers/usb/core/hub.c:5115
 hub_event+0x194d/0x3740 drivers/usb/core/hub.c:5195
 process_one_work+0xc7f/0x1db0 kernel/workqueue.c:2119
 worker_thread+0x221/0x1850 kernel/workqueue.c:2253
 kthread+0x3a1/0x470 kernel/kthread.c:231
 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
Code: ff ff 48 85 c0 74 24 48 89 c7 e8 48 ea ff ff bf 01 00 00 00 e8
de 20 e3 ff 65 8b 05 b7 2f c2 7e 85 c0 75 c9 e8 f9 0b c1 ff eb c2 <0f>
0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 b8 00 00
RIP: symbol_put_addr+0x54/0x60 RSP: ffff88006a7ce210
---[ end trace b75b357739e7e116 ]---

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-11-07 05:52:52 -05:00
..
a800.c [media] media: dvb: a800: port to rc-core 2017-10-04 15:19:58 -03:00
af9005-fe.c [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
af9005-remote.c [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
af9005-script.h
af9005.c [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
af9005.h [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
az6027.c [media] az6027: Add support for Elgato EyeTV Sat v3 2016-05-06 15:53:23 -03:00
az6027.h
cinergyT2-core.c [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
cinergyT2-fe.c [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
cinergyT2.h [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
cxusb.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
cxusb.h [media] dvb-usb-cxusb: Geniatech T230 - resync TS FIFO after lock 2016-11-18 13:46:28 -02:00
dib07x0.h
dib0700_core.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
dib0700_devices.c media: dib0700: fix invalid dvb_detach argument 2017-11-07 05:52:52 -05:00
dib0700.h media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
dibusb-common.c [media] dibusb: fix possible memory leak in dibusb_rc_query() 2016-11-21 11:40:45 -02:00
dibusb-mb.c [media] media: change email address 2016-01-25 12:01:08 -02:00
dibusb-mc-common.c [media] dvb-usb-dibusb-mc-common: Add MODULE_LICENSE 2017-04-17 12:11:13 -03:00
dibusb-mc.c [media] media: change email address 2016-01-25 12:01:08 -02:00
dibusb.h [media] dibusb: don't do DMA on stack 2016-10-14 12:38:34 -03:00
digitv.c [media] digitv: limit messages to buffer size 2017-04-18 12:52:41 -03:00
digitv.h [media] digitv: don't do DMA on stack 2016-10-14 12:40:47 -03:00
dtt200u-fe.c [media] dvb: make DVB frontend *_ops instances "const" 2016-11-18 15:00:22 -02:00
dtt200u.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
dtt200u.h [media] media: change email address 2016-01-25 12:01:08 -02:00
dtv5100.c [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
dtv5100.h [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
dvb-usb-common.h [media] media: change email address 2016-01-25 12:01:08 -02:00
dvb-usb-dvb.c [media] dvb-usb: don't break long lines 2016-10-21 09:39:51 -02:00
dvb-usb-firmware.c [media] dvb-usb-firmware: don't do DMA on stack 2017-03-08 22:43:02 -03:00
dvb-usb-i2c.c [media] media: change email address 2016-01-25 12:01:08 -02:00
dvb-usb-init.c dvb-usb: move data_mutex to struct dvb_usb_device 2016-11-13 10:02:22 -08:00
dvb-usb-remote.c [media] media: vp7045: port TwinhanDTV Alpha to rc-core 2017-10-04 15:25:13 -03:00
dvb-usb-urb.c [media] media: change email address 2016-01-25 12:01:08 -02:00
dvb-usb.h [media] media: vp7045: port TwinhanDTV Alpha to rc-core 2017-10-04 15:25:13 -03:00
dw2102.c media: dw2102: make dvb_usb_device_description structures const 2017-08-27 18:08:55 -04:00
dw2102.h
friio-fe.c media: friio-fe: get rid of set_property() 2017-10-11 12:49:55 -04:00
friio.c [media] dvb-usb: don't break long lines 2016-10-21 09:39:51 -02:00
friio.h
gp8psk.c [media] gp8psk: make local symbol gp8psk_fe_ops static 2017-02-03 14:23:34 -02:00
gp8psk.h gp8psk: Fix DVB frontend attach 2016-11-13 10:02:22 -08:00
Kconfig [media] dvb-usb: avoid link error with dib3000m{b,c| 2016-09-22 12:38:27 -03:00
m920x.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
m920x.h
Makefile gp8psk: Fix DVB frontend attach 2016-11-13 10:02:22 -08:00
nova-t-usb2.c [media] nova-t-usb2: handle error code on RC query 2016-10-14 12:52:25 -03:00
opera1.c [media] dvb-usb: don't break long lines 2016-10-21 09:39:51 -02:00
pctv452e.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
technisat-usb2.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
ttusb2.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00
ttusb2.h
umt-010.c [media] media: change email address 2016-01-25 12:01:08 -02:00
usb-urb.c [media] media: change email address 2016-01-25 12:01:08 -02:00
vp702x-fe.c [media] dvb: make DVB frontend *_ops instances "const" 2016-11-18 15:00:22 -02:00
vp702x.c [media] media: change email address 2016-01-25 12:01:08 -02:00
vp702x.h
vp7045-fe.c [media] dvb: make DVB frontend *_ops instances "const" 2016-11-18 15:00:22 -02:00
vp7045.c [media] media: vp7045: port TwinhanDTV Alpha to rc-core 2017-10-04 15:25:13 -03:00
vp7045.h [media] media: change email address 2016-01-25 12:01:08 -02:00