syzbot


WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

Status: fixed on 2019/08/05 13:45
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+d952e5e28f5fb7718d23@syzkaller.appspotmail.com
Fix commit: 801ebf1043ae ALSA: usb-audio: Sanity checks for each pipe and EP types
First crash: 1773d, last: 1732d
Duplicate bugs (1)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING in snd_usb_apply_boot_quirk/usb_submit_urb usb C 1 1734d 1733d 0/26 closed as dup on 2019/07/18 14:56
Discussions (5)
Title Replies (including bot) Last reply
[PATCH 5.2 00/56] 5.2.8-stable review 63 (63) 2019/08/09 15:48
[PATCH 5.2 00/20] 5.2.6-stable review 32 (32) 2019/08/07 02:38
WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb 5 (7) 2019/07/30 13:49
Reminder: 42 open syzbot bugs in usb subsystem 1 (1) 2019/06/25 03:44
Reminder: 9 open syzbot bugs in sound subsystem 1 (1) 2019/06/24 05:07

Sample crash report:
usb 1-1: string descriptor 0 read error: -22
usb 1-1: New USB device found, idVendor=07fd, idProduct=0004, bcdDevice=59.23
usb 1-1: New USB device strings: Mfr=5, Product=75, SerialNumber=0
usb 1-1: Waiting for MOTU Microbook II to boot up...
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 /drivers/usb/core/urb.c:477
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15
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+0xca/0x13e /lib/dump_stack.c:113
 panic+0x292/0x6c9 /kernel/panic.c:219
 __warn.cold+0x20/0x4b /kernel/panic.c:576
 report_bug+0x262/0x2a0 /lib/bug.c:186
 fixup_bug /arch/x86/kernel/traps.c:179 [inline]
 fixup_bug /arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x12b/0x1e0 /arch/x86/kernel/traps.c:272
 do_invalid_op+0x32/0x40 /arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 /arch/x86/entry/entry_64.S:986
RIP: 0010:usb_submit_urb+0x1188/0x13b0 /drivers/usb/core/urb.c:477
Code: 4d 85 ed 74 2c e8 f8 d3 f4 fd 4c 89 f7 e8 a0 51 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 0e f7 85 e8 83 98 ca fd <0f> 0b e9 20 f4 ff ff e8 cc d3 f4 fd 4c 89 f2 48 b8 00 00 00 00 00
RSP: 0018:ffff8881d9efee68 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfdbf
RBP: ffff8881cfd97b70 R08: ffff8881d9e36000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8881cfcdea98 R14: ffff8881d0f511a0 R15: ffff8881d4b46200
 usb_start_wait_urb+0x108/0x2b0 /drivers/usb/core/message.c:57
 usb_bulk_msg+0x228/0x550 /drivers/usb/core/message.c:253
 snd_usb_motu_microbookii_communicate.constprop.0+0xe3/0x240 /sound/usb/quirks.c:999
 snd_usb_motu_microbookii_boot_quirk /sound/usb/quirks.c:1039 [inline]
 snd_usb_apply_boot_quirk.cold+0x140/0x36b /sound/usb/quirks.c:1268
 usb_audio_probe+0x2ec/0x2010 /sound/usb/card.c:576
 usb_probe_interface+0x305/0x7a0 /drivers/usb/core/driver.c:361
 really_probe+0x281/0x660 /drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 /drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 /drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 /drivers/base/bus.c:454
 __device_attach+0x217/0x360 /drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 /drivers/base/bus.c:514
 device_add+0xae6/0x16f0 /drivers/base/core.c:2111
 usb_set_configuration+0xdf6/0x1670 /drivers/usb/core/message.c:2023
 generic_probe+0x9d/0xd5 /drivers/usb/core/generic.c:210
 usb_probe_device+0x99/0x100 /drivers/usb/core/driver.c:266
 really_probe+0x281/0x660 /drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 /drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 /drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 /drivers/base/bus.c:454
 __device_attach+0x217/0x360 /drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 /drivers/base/bus.c:514
 device_add+0xae6/0x16f0 /drivers/base/core.c:2111
 usb_new_device.cold+0x6a4/0xe61 /drivers/usb/core/hub.c:2536
 hub_port_connect /drivers/usb/core/hub.c:5098 [inline]
 hub_port_connect_change /drivers/usb/core/hub.c:5213 [inline]
 port_event /drivers/usb/core/hub.c:5359 [inline]
 hub_event+0x1abd/0x3550 /drivers/usb/core/hub.c:5441
 process_one_work+0x905/0x1570 /kernel/workqueue.c:2269
 worker_thread+0x96/0xe20 /kernel/workqueue.c:2415
 kthread+0x30b/0x410 /kernel/kthread.c:255
 ret_from_fork+0x24/0x30 /arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/07/19 18:40 https://github.com/google/kasan.git usb-fuzzer 6a3599ceaa39 8304907d .config console log report syz C ci2-upstream-usb
2019/06/08 19:27 https://github.com/google/kasan.git usb-fuzzer 69bbe8c72e6f 0159583c .config console log report syz ci2-upstream-usb
2019/06/08 19:04 https://github.com/google/kasan.git usb-fuzzer 69bbe8c72e6f 0159583c .config console log report ci2-upstream-usb
* Struck through repros no longer work on HEAD.