syzbot


WARNING in iguanair_probe/usb_submit_urb

Status: fixed on 2019/10/15 23:40
Subsystems: media usb
[Documentation on labels]
Reported-by: syzbot+01a77b82edaa374068e1@syzkaller.appspotmail.com
Fix commit: ab1cbdf159be media: iguanair: add sanity checks
First crash: 1767d, last: 1716d
Discussions (15)
Title Replies (including bot) Last reply
[PATCH 5.2 000/313] 5.2.19-stable review 324 (324) 2020/06/23 22:07
[PATCH 3.16 00/99] 3.16.84-rc1 review 112 (112) 2020/05/22 00:00
[PATCH 4.19 000/211] 4.19.77-stable review 227 (227) 2019/11/12 00:25
[PATCH 5.3 000/344] 5.3.4-stable review 360 (360) 2019/11/11 06:01
[PATCH 4.14 000/185] 4.14.147-stable review 191 (191) 2019/10/05 00:10
[PATCH 4.9 000/129] 4.9.195-stable review 135 (135) 2019/10/04 22:56
[PATCH 4.4 00/99] 4.4.195-stable review 105 (105) 2019/10/04 22:55
[PATCH AUTOSEL 5.2 001/185] ALSA: hda: Flush interrupts on disabling 191 (191) 2019/10/02 19:16
[PATCH AUTOSEL 5.3 001/203] ALSA: hda: Flush interrupts on disabling 217 (217) 2019/10/02 14:35
[PATCH AUTOSEL 4.4 01/44] ALSA: hda: Flush interrupts on disabling 44 (44) 2019/09/22 19:01
[PATCH AUTOSEL 4.9 01/60] ALSA: hda: Flush interrupts on disabling 60 (60) 2019/09/22 18:59
[PATCH AUTOSEL 4.14 01/89] ALSA: hda: Flush interrupts on disabling 89 (89) 2019/09/22 18:57
[PATCH AUTOSEL 4.19 001/128] ALSA: hda: Flush interrupts on disabling 128 (128) 2019/09/22 18:54
[PATCH] iguanair: add sanity checks 1 (1) 2019/07/30 08:50
WARNING in iguanair_probe/usb_submit_urb 2 (5) 2019/07/29 12:14
Last patch testing requests (1)
Created Duration User Patch Repo Result
2019/07/29 11:56 16m oneukum@suse.com patch https://github.com/google/kasan.git usb-fuzzer-usb-testing-2019.07.11 OK

Sample crash report:
usb 1-1: config 0 interface 232 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 0
usb 1-1: New USB device found, idVendor=1781, idProduct=0938, bcdDevice= e.a9
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 83 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: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc7+ #0
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+0x2a3/0x6da kernel/panic.c:219
 __warn.cold+0x20/0x4a 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+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:477
Code: 4d 85 ed 74 2c e8 f8 8e ef fd 4c 89 f7 e8 e0 b1 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 85 18 86 e8 1d 74 c5 fd <0f> 0b e9 20 f4 ff ff e8 cc 8e ef fd 4c 89 f2 48 b8 00 00 00 00 00
RSP: 0018:ffff8881d937f268 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b26fe3f
RBP: ffff8881d530ce00 R08: ffff8881d9784800 R09: fffffbfff11ad79a
R10: fffffbfff11ad799 R11: ffffffff88d6bccf R12: 0000000000000001
R13: ffff8881d4d1bc60 R14: ffff8881d32c00a0 R15: ffff8881d53fa900
 iguanair_probe+0x8fe/0x18d0 drivers/media/rc/iguanair.c:461
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
 really_probe+0x281/0x6d0 drivers/base/dd.c:548
 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:894
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2165
 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+0x281/0x6d0 drivers/base/dd.c:548
 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:894
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2165
 usb_new_device.cold+0x6a4/0xe79 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+0x1b5c/0x3640 drivers/usb/core/hub.c:5441
 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269
 worker_thread+0x96/0xe20 kernel/workqueue.c:2415
 kthread+0x318/0x420 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
2019/09/15 00:55 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 32d59357 .config console log report syz C ci2-upstream-usb
2019/07/26 02:59 https://github.com/google/kasan.git usb-fuzzer 6a3599ceaa39 732bc5a0 .config console log report syz C ci2-upstream-usb
2019/07/26 02:44 https://github.com/google/kasan.git usb-fuzzer 6a3599ceaa39 732bc5a0 .config console log report ci2-upstream-usb
* Struck through repros no longer work on HEAD.