syzbot

 sign-in | mailing list | source | docs
🐞 Open [1613]
≡ Subsystems
🐞 Fixed [5937]
🐞 Invalid [14471]
⬇ Missing Backports [107]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

WARNING in kbtab_open/usb_submit_urb

Status: fixed on 2019/09/06 20:45
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+c7df50363aaff50aa363@syzkaller.appspotmail.com
Fix commit: c88090dfc842 Input: kbtab - sanity check for endpoint type
First crash: 1983d, last: 1965d
▶ ▼ Discussions (13)
Title Replies (including bot) Last reply
[PATCH AUTOSEL 5.2 001/123] ASoC: simple_card_utils.h: care NULL dai at asoc_simple_debug_dai() 138 (138) 2019/09/09 09:35
[PATCH 5.2 000/135] 5.2.10-stable review 160 (160) 2019/08/27 10:51
[PATCH 4.4 00/78] 4.4.190-stable review 91 (91) 2019/08/24 18:14
[PATCH 4.9 000/103] 4.9.190-stable review 109 (109) 2019/08/24 17:59
[PATCH 4.14 00/71] 4.14.140-stable review 79 (79) 2019/08/24 17:55
[PATCH 4.19 00/85] 4.19.68-stable review 91 (91) 2019/08/24 17:51
[PATCH AUTOSEL 4.14 01/44] iio: adc: max9611: Fix misuse of GENMASK macro 45 (45) 2019/08/14 07:37
[PATCH AUTOSEL 4.19 01/68] iio: adc: max9611: Fix misuse of GENMASK macro 69 (69) 2019/08/14 07:36
[PATCH AUTOSEL 4.4 01/28] HID: Add 044f:b320 ThrustMaster, Inc. 2 in 1 DT 28 (28) 2019/08/14 02:25
[PATCH AUTOSEL 4.9 01/33] HID: Add 044f:b320 ThrustMaster, Inc. 2 in 1 DT 33 (33) 2019/08/14 02:23
Reminder: 8 open syzbot bugs in input subsystem 1 (1) 2019/07/24 02:27
Reminder: 67 open syzbot bugs in usb subsystem 1 (1) 2019/07/24 01:35
WARNING in kbtab_open/usb_submit_urb 0 (1) 2019/07/23 17:28

Sample crash report:
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 1732 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: 0 PID: 1732 Comm: syz-executor835 Not tainted 5.2.0-rc6+ #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:ffff8881d06bf878 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103a0d7f01
RBP: ffff8881d0bf5500 R08: ffff8881d2678000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8881d40b58a0 R14: ffff8881d0904d20 R15: ffff8881d3cd9900
 kbtab_open+0xd5/0x130 /drivers/input/tablet/kbtab.c:96
 input_open_device+0x170/0x280 /drivers/input/input.c:607
 evdev_open_device /drivers/input/evdev.c:433 [inline]
 evdev_open+0x3fe/0x510 /drivers/input/evdev.c:518
 chrdev_open+0x219/0x5c0 /fs/char_dev.c:413
 do_dentry_open+0x497/0x1040 /fs/open.c:778
 do_last /fs/namei.c:3416 [inline]
 path_openat+0x1430/0x3ff0 /fs/namei.c:3533
 do_filp_open+0x1a1/0x280 /fs/namei.c:3563
 do_sys_open+0x3c0/0x580 /fs/open.c:1070
 do_syscall_64+0xb7/0x560 /arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4010c0
Code: 01 f0 ff ff 0f 83 00 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d cd 4c 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 0a 00 00 c3 48 83 ec 08 e8 3a 00 00 00
RSP: 002b:00007ffd69a61888 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004010c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd69a61890
RBP: 6666666666666667 R08: 000000000000000f R09: 000000000000000b
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000402020
R13: 00000000004020b0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/07/23 15:26 https://github.com/google/kasan.git usb-fuzzer 6a3599ceaa39 bb071d58 .config console log report syz C ci2-upstream-usb
2019/08/10 13:24 https://github.com/google/kasan.git usb-fuzzer e96407b49762 acb51638 .config console log report ci2-upstream-usb
2019/08/05 00:34 https://github.com/google/kasan.git usb-fuzzer e96407b49762 6affd8e8 .config console log report ci2-upstream-usb
2019/07/25 04:17 https://github.com/google/kasan.git usb-fuzzer 6a3599ceaa39 32329ceb .config console log report ci2-upstream-usb
2019/07/23 15:10 https://github.com/google/kasan.git usb-fuzzer 6a3599ceaa39 bb071d58 .config console log report ci2-upstream-usb
* Struck through repros no longer work on HEAD.