* KASAN: invalid-free in rsi_91x_deinit
@ 2019-04-23 12:36 syzbot
2019-11-19 13:38 ` Andrey Konovalov
0 siblings, 1 reply; 4+ messages in thread
From: syzbot @ 2019-04-23 12:36 UTC (permalink / raw)
To: amitkarwar, andreyknvl, davem, kvalo, linux-kernel, linux-usb,
linux-wireless, netdev, siva8118, syzkaller-bugs
Hello,
syzbot found the following crash on:
HEAD commit: d34f9519 usb-fuzzer: main usb gadget fuzzer driver
git tree: https://github.com/google/kasan/tree/usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=14a79403200000
kernel config: https://syzkaller.appspot.com/x/.config?x=c73d1bb5aeaeae20
dashboard link: https://syzkaller.appspot.com/bug?extid=7c72edfb407b2bd866ce
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17547247200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147b3a1d200000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com
usb 1-1: config 252 interface 115 altsetting 0 has 1 endpoint descriptor,
different from the interface descriptor's value: 4
usb 1-1: New USB device found, idVendor=1618, idProduct=9113,
bcdDevice=32.21
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
rsi_91x: rsi_probe: Failed to init usb interface
==================================================================
BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3003 [inline]
BUG: KASAN: double-free or invalid-free in kfree+0xce/0x280 mm/slub.c:3958
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc5-319617-gd34f951 #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xe8/0x16e lib/dump_stack.c:113
print_address_description+0x6c/0x236 mm/kasan/report.c:187
kasan_report_invalid_free+0x66/0xa0 mm/kasan/report.c:278
__kasan_slab_free+0x162/0x180 mm/kasan/common.c:438
slab_free_hook mm/slub.c:1429 [inline]
slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456
slab_free mm/slub.c:3003 [inline]
kfree+0xce/0x280 mm/slub.c:3958
rsi_91x_deinit+0x27b/0x300 drivers/net/wireless/rsi/rsi_91x_main.c:407
rsi_probe+0xdf3/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1178
usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
hub_port_connect drivers/usb/core/hub.c:5089 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
port_event drivers/usb/core/hub.c:5350 [inline]
hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
kthread+0x313/0x420 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Allocated by task 12:
set_track mm/kasan/common.c:87 [inline]
__kasan_kmalloc mm/kasan/common.c:497 [inline]
__kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:470
rsi_init_sdio_interface drivers/net/wireless/rsi/rsi_91x_sdio.c:853
[inline]
rsi_probe+0x11a/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:965
usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
hub_port_connect drivers/usb/core/hub.c:5089 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
port_event drivers/usb/core/hub.c:5350 [inline]
hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
kthread+0x313/0x420 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Freed by task 12:
set_track mm/kasan/common.c:87 [inline]
__kasan_slab_free+0x130/0x180 mm/kasan/common.c:459
slab_free_hook mm/slub.c:1429 [inline]
slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456
slab_free mm/slub.c:3003 [inline]
kfree+0xce/0x280 mm/slub.c:3958
rsi_probe+0xf04/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1196
usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
really_probe+0x2da/0xb10 drivers/base/dd.c:509
driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
__device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
__device_attach+0x223/0x3a0 drivers/base/dd.c:844
bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
device_add+0xad2/0x16e0 drivers/base/core.c:2106
usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
hub_port_connect drivers/usb/core/hub.c:5089 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
port_event drivers/usb/core/hub.c:5350 [inline]
hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
kthread+0x313/0x420 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
The buggy address belongs to the object at ffff888214af0c80
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 0 bytes inside of
512-byte region [ffff888214af0c80, ffff888214af0e80)
The buggy address belongs to the page:
page:ffffea000852bc00 count:1 mapcount:0 mapping:ffff88812c3f4c00
index:0xffff888214af1180 compound_mapcount: 0
flags: 0x57ff00000010200(slab|head)
raw: 057ff00000010200 ffffea00086b3780 0000000800000008 ffff88812c3f4c00
raw: ffff888214af1180 00000000800c000a 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888214af0b80: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
ffff888214af0c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> ffff888214af0c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888214af0d00: fb fb fb fb fb fb f
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: KASAN: invalid-free in rsi_91x_deinit
2019-04-23 12:36 KASAN: invalid-free in rsi_91x_deinit syzbot
@ 2019-11-19 13:38 ` Andrey Konovalov
2019-11-28 17:07 ` Johan Hovold
0 siblings, 1 reply; 4+ messages in thread
From: Andrey Konovalov @ 2019-11-19 13:38 UTC (permalink / raw)
To: syzbot
Cc: amitkarwar, David S. Miller, Kalle Valo, LKML, USB list,
linux-wireless, netdev, siva8118, syzkaller-bugs
On Tue, Apr 23, 2019 at 2:36 PM syzbot
<syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: d34f9519 usb-fuzzer: main usb gadget fuzzer driver
> git tree: https://github.com/google/kasan/tree/usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=14a79403200000
> kernel config: https://syzkaller.appspot.com/x/.config?x=c73d1bb5aeaeae20
> dashboard link: https://syzkaller.appspot.com/bug?extid=7c72edfb407b2bd866ce
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17547247200000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147b3a1d200000
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com
>
> usb 1-1: config 252 interface 115 altsetting 0 has 1 endpoint descriptor,
> different from the interface descriptor's value: 4
> usb 1-1: New USB device found, idVendor=1618, idProduct=9113,
> bcdDevice=32.21
> usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> rsi_91x: rsi_probe: Failed to init usb interface
> ==================================================================
> BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3003 [inline]
> BUG: KASAN: double-free or invalid-free in kfree+0xce/0x280 mm/slub.c:3958
>
> CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc5-319617-gd34f951 #4
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
> Google 01/01/2011
> Workqueue: usb_hub_wq hub_event
> Call Trace:
> __dump_stack lib/dump_stack.c:77 [inline]
> dump_stack+0xe8/0x16e lib/dump_stack.c:113
> print_address_description+0x6c/0x236 mm/kasan/report.c:187
> kasan_report_invalid_free+0x66/0xa0 mm/kasan/report.c:278
> __kasan_slab_free+0x162/0x180 mm/kasan/common.c:438
> slab_free_hook mm/slub.c:1429 [inline]
> slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456
> slab_free mm/slub.c:3003 [inline]
> kfree+0xce/0x280 mm/slub.c:3958
> rsi_91x_deinit+0x27b/0x300 drivers/net/wireless/rsi/rsi_91x_main.c:407
> rsi_probe+0xdf3/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1178
> usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
> really_probe+0x2da/0xb10 drivers/base/dd.c:509
> driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> device_add+0xad2/0x16e0 drivers/base/core.c:2106
> usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
> generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
> usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
> really_probe+0x2da/0xb10 drivers/base/dd.c:509
> driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> device_add+0xad2/0x16e0 drivers/base/core.c:2106
> usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
> hub_port_connect drivers/usb/core/hub.c:5089 [inline]
> hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
> port_event drivers/usb/core/hub.c:5350 [inline]
> hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
> process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
> worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
> kthread+0x313/0x420 kernel/kthread.c:253
> ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
>
> Allocated by task 12:
> set_track mm/kasan/common.c:87 [inline]
> __kasan_kmalloc mm/kasan/common.c:497 [inline]
> __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:470
> rsi_init_sdio_interface drivers/net/wireless/rsi/rsi_91x_sdio.c:853
> [inline]
> rsi_probe+0x11a/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:965
> usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
> really_probe+0x2da/0xb10 drivers/base/dd.c:509
> driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> device_add+0xad2/0x16e0 drivers/base/core.c:2106
> usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
> generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
> usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
> really_probe+0x2da/0xb10 drivers/base/dd.c:509
> driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> device_add+0xad2/0x16e0 drivers/base/core.c:2106
> usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
> hub_port_connect drivers/usb/core/hub.c:5089 [inline]
> hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
> port_event drivers/usb/core/hub.c:5350 [inline]
> hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
> process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
> worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
> kthread+0x313/0x420 kernel/kthread.c:253
> ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
>
> Freed by task 12:
> set_track mm/kasan/common.c:87 [inline]
> __kasan_slab_free+0x130/0x180 mm/kasan/common.c:459
> slab_free_hook mm/slub.c:1429 [inline]
> slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456
> slab_free mm/slub.c:3003 [inline]
> kfree+0xce/0x280 mm/slub.c:3958
> rsi_probe+0xf04/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1196
> usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
> really_probe+0x2da/0xb10 drivers/base/dd.c:509
> driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> device_add+0xad2/0x16e0 drivers/base/core.c:2106
> usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
> generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
> usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
> really_probe+0x2da/0xb10 drivers/base/dd.c:509
> driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> device_add+0xad2/0x16e0 drivers/base/core.c:2106
> usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
> hub_port_connect drivers/usb/core/hub.c:5089 [inline]
> hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
> port_event drivers/usb/core/hub.c:5350 [inline]
> hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
> process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
> worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
> kthread+0x313/0x420 kernel/kthread.c:253
> ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
>
> The buggy address belongs to the object at ffff888214af0c80
> which belongs to the cache kmalloc-512 of size 512
> The buggy address is located 0 bytes inside of
> 512-byte region [ffff888214af0c80, ffff888214af0e80)
> The buggy address belongs to the page:
> page:ffffea000852bc00 count:1 mapcount:0 mapping:ffff88812c3f4c00
> index:0xffff888214af1180 compound_mapcount: 0
> flags: 0x57ff00000010200(slab|head)
> raw: 057ff00000010200 ffffea00086b3780 0000000800000008 ffff88812c3f4c00
> raw: ffff888214af1180 00000000800c000a 00000001ffffffff 0000000000000000
> page dumped because: kasan: bad access detected
>
> Memory state around the buggy address:
> ffff888214af0b80: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
> ffff888214af0c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> > ffff888214af0c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
> ^
> ffff888214af0d00: fb fb fb fb fb fb f
>
>
> ---
> This bug is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@googlegroups.com.
>
> syzbot will keep track of this bug report. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> syzbot can test patches for this bug, for details see:
> https://goo.gl/tpsmEJ#testing-patches
Most likely the same issue as:
#syz dup: WARNING: ODEBUG bug in rsi_probe
https://syzkaller.appspot.com/bug?extid=1d1597a5aa3679c65b9f
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: KASAN: invalid-free in rsi_91x_deinit
2019-11-19 13:38 ` Andrey Konovalov
@ 2019-11-28 17:07 ` Johan Hovold
2019-11-28 17:09 ` Johan Hovold
0 siblings, 1 reply; 4+ messages in thread
From: Johan Hovold @ 2019-11-28 17:07 UTC (permalink / raw)
To: Andrey Konovalov
Cc: syzbot, amitkarwar, David S. Miller, Kalle Valo, LKML, USB list,
linux-wireless, netdev, siva8118, syzkaller-bugs
On Tue, Nov 19, 2019 at 02:38:11PM +0100, Andrey Konovalov wrote:
> On Tue, Apr 23, 2019 at 2:36 PM syzbot
> <syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com> wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit: d34f9519 usb-fuzzer: main usb gadget fuzzer driver
> > git tree: https://github.com/google/kasan/tree/usb-fuzzer
> > console output: https://syzkaller.appspot.com/x/log.txt?x=14a79403200000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=c73d1bb5aeaeae20
> > dashboard link: https://syzkaller.appspot.com/bug?extid=7c72edfb407b2bd866ce
> > compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17547247200000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147b3a1d200000
> >
> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > Reported-by: syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com
> >
> > usb 1-1: config 252 interface 115 altsetting 0 has 1 endpoint descriptor,
> > different from the interface descriptor's value: 4
> > usb 1-1: New USB device found, idVendor=1618, idProduct=9113,
> > bcdDevice=32.21
> > usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > rsi_91x: rsi_probe: Failed to init usb interface
> > ==================================================================
> > BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3003 [inline]
> > BUG: KASAN: double-free or invalid-free in kfree+0xce/0x280 mm/slub.c:3958
> >
> > CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc5-319617-gd34f951 #4
> > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
> > Google 01/01/2011
> > Workqueue: usb_hub_wq hub_event
> > Call Trace:
> > __dump_stack lib/dump_stack.c:77 [inline]
> > dump_stack+0xe8/0x16e lib/dump_stack.c:113
> > print_address_description+0x6c/0x236 mm/kasan/report.c:187
> > kasan_report_invalid_free+0x66/0xa0 mm/kasan/report.c:278
> > __kasan_slab_free+0x162/0x180 mm/kasan/common.c:438
> > slab_free_hook mm/slub.c:1429 [inline]
> > slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456
> > slab_free mm/slub.c:3003 [inline]
> > kfree+0xce/0x280 mm/slub.c:3958
> > rsi_91x_deinit+0x27b/0x300 drivers/net/wireless/rsi/rsi_91x_main.c:407
> > rsi_probe+0xdf3/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1178
> > usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
> > really_probe+0x2da/0xb10 drivers/base/dd.c:509
> > driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> > __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> > __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> > bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> > device_add+0xad2/0x16e0 drivers/base/core.c:2106
> > usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
> > generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
> > usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
> > really_probe+0x2da/0xb10 drivers/base/dd.c:509
> > driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> > __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> > __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> > bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> > device_add+0xad2/0x16e0 drivers/base/core.c:2106
> > usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
> > hub_port_connect drivers/usb/core/hub.c:5089 [inline]
> > hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
> > port_event drivers/usb/core/hub.c:5350 [inline]
> > hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
> > process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
> > worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
> > kthread+0x313/0x420 kernel/kthread.c:253
> > ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
> >
> > Allocated by task 12:
> > set_track mm/kasan/common.c:87 [inline]
> > __kasan_kmalloc mm/kasan/common.c:497 [inline]
> > __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:470
> > rsi_init_sdio_interface drivers/net/wireless/rsi/rsi_91x_sdio.c:853
> > [inline]
> > rsi_probe+0x11a/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:965
> > usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
> > really_probe+0x2da/0xb10 drivers/base/dd.c:509
> > driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> > __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> > __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> > bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> > device_add+0xad2/0x16e0 drivers/base/core.c:2106
> > usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
> > generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
> > usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
> > really_probe+0x2da/0xb10 drivers/base/dd.c:509
> > driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> > __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> > __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> > bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> > device_add+0xad2/0x16e0 drivers/base/core.c:2106
> > usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
> > hub_port_connect drivers/usb/core/hub.c:5089 [inline]
> > hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
> > port_event drivers/usb/core/hub.c:5350 [inline]
> > hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
> > process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
> > worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
> > kthread+0x313/0x420 kernel/kthread.c:253
> > ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
> >
> > Freed by task 12:
> > set_track mm/kasan/common.c:87 [inline]
> > __kasan_slab_free+0x130/0x180 mm/kasan/common.c:459
> > slab_free_hook mm/slub.c:1429 [inline]
> > slab_free_freelist_hook+0x5e/0x140 mm/slub.c:1456
> > slab_free mm/slub.c:3003 [inline]
> > kfree+0xce/0x280 mm/slub.c:3958
> > rsi_probe+0xf04/0x140d drivers/net/wireless/rsi/rsi_91x_sdio.c:1196
> > usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
> > really_probe+0x2da/0xb10 drivers/base/dd.c:509
> > driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> > __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> > __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> > bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> > device_add+0xad2/0x16e0 drivers/base/core.c:2106
> > usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
> > generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
> > usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
> > really_probe+0x2da/0xb10 drivers/base/dd.c:509
> > driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
> > __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
> > bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
> > __device_attach+0x223/0x3a0 drivers/base/dd.c:844
> > bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
> > device_add+0xad2/0x16e0 drivers/base/core.c:2106
> > usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
> > hub_port_connect drivers/usb/core/hub.c:5089 [inline]
> > hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
> > port_event drivers/usb/core/hub.c:5350 [inline]
> > hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
> > process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
> > worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
> > kthread+0x313/0x420 kernel/kthread.c:253
> > ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
> >
> > The buggy address belongs to the object at ffff888214af0c80
> > which belongs to the cache kmalloc-512 of size 512
> > The buggy address is located 0 bytes inside of
> > 512-byte region [ffff888214af0c80, ffff888214af0e80)
> > The buggy address belongs to the page:
> > page:ffffea000852bc00 count:1 mapcount:0 mapping:ffff88812c3f4c00
> > index:0xffff888214af1180 compound_mapcount: 0
> > flags: 0x57ff00000010200(slab|head)
> > raw: 057ff00000010200 ffffea00086b3780 0000000800000008 ffff88812c3f4c00
> > raw: ffff888214af1180 00000000800c000a 00000001ffffffff 0000000000000000
> > page dumped because: kasan: bad access detected
> >
> > Memory state around the buggy address:
> > ffff888214af0b80: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
> > ffff888214af0c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> > > ffff888214af0c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
> > ^
> > ffff888214af0d00: fb fb fb fb fb fb f
> >
> >
> > ---
> > This bug is generated by a bot. It may contain errors.
> > See https://goo.gl/tpsmEJ for more information about syzbot.
> > syzbot engineers can be reached at syzkaller@googlegroups.com.
> >
> > syzbot will keep track of this bug report. See:
> > https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> > syzbot can test patches for this bug, for details see:
> > https://goo.gl/tpsmEJ#testing-patches
>
> Most likely the same issue as:
>
> #syz dup: WARNING: ODEBUG bug in rsi_probe
>
> https://syzkaller.appspot.com/bug?extid=1d1597a5aa3679c65b9f
No, this was separate bug that was fixed by commit 8b51dc729147 ("rsi:
fix a double free bug in rsi_91x_deinit()").
Let me try to mark it as such:
#syz undup
Johan
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: KASAN: invalid-free in rsi_91x_deinit
2019-11-28 17:07 ` Johan Hovold
@ 2019-11-28 17:09 ` Johan Hovold
0 siblings, 0 replies; 4+ messages in thread
From: Johan Hovold @ 2019-11-28 17:09 UTC (permalink / raw)
To: Andrey Konovalov
Cc: syzbot, amitkarwar, David S. Miller, Kalle Valo, LKML, USB list,
linux-wireless, netdev, siva8118, syzkaller-bugs
On Thu, Nov 28, 2019 at 06:07:02PM +0100, Johan Hovold wrote:
> On Tue, Nov 19, 2019 at 02:38:11PM +0100, Andrey Konovalov wrote:
> > On Tue, Apr 23, 2019 at 2:36 PM syzbot
> > <syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com> wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following crash on:
> > >
> > > HEAD commit: d34f9519 usb-fuzzer: main usb gadget fuzzer driver
> > > git tree: https://github.com/google/kasan/tree/usb-fuzzer
> > > console output: https://syzkaller.appspot.com/x/log.txt?x=14a79403200000
> > > kernel config: https://syzkaller.appspot.com/x/.config?x=c73d1bb5aeaeae20
> > > dashboard link: https://syzkaller.appspot.com/bug?extid=7c72edfb407b2bd866ce
> > > compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17547247200000
> > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=147b3a1d200000
> > >
> > > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > > Reported-by: syzbot+7c72edfb407b2bd866ce@syzkaller.appspotmail.com
> > >
> > > usb 1-1: config 252 interface 115 altsetting 0 has 1 endpoint descriptor,
> > > different from the interface descriptor's value: 4
> > > usb 1-1: New USB device found, idVendor=1618, idProduct=9113,
> > > bcdDevice=32.21
> > > usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > > rsi_91x: rsi_probe: Failed to init usb interface
> > > ==================================================================
> > > BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3003 [inline]
> > > BUG: KASAN: double-free or invalid-free in kfree+0xce/0x280 mm/slub.c:3958
> > Most likely the same issue as:
> >
> > #syz dup: WARNING: ODEBUG bug in rsi_probe
> >
> > https://syzkaller.appspot.com/bug?extid=1d1597a5aa3679c65b9f
>
> No, this was separate bug that was fixed by commit 8b51dc729147 ("rsi:
> fix a double free bug in rsi_91x_deinit()").
>
> Let me try to mark it as such:
>
> #syz undup
#syz fix: rsi: fix a double free bug in rsi_91x_deinit()
Johan
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-11-28 17:09 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-23 12:36 KASAN: invalid-free in rsi_91x_deinit syzbot
2019-11-19 13:38 ` Andrey Konovalov
2019-11-28 17:07 ` Johan Hovold
2019-11-28 17:09 ` Johan Hovold
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