syzbot

 sign-in | mailing list | source | docs
🐞 Open [978] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12473] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

general protection fault in vidioc_querycap

Status: closed as invalid on 2020/06/18 12:04
Subsystems: usb media
[Documentation on labels]
Reported-by: syzbot+646272341e25afebff05@syzkaller.appspotmail.com
First crash: 1752d, last: 1613d
▶ ▼ Discussions (7)
Title Replies (including bot) Last reply
general protection fault in vidioc_querycap 1 (2) 2020/06/18 12:04
Reminder: 45 active syzbot reports in usb subsystem 1 (1) 2019/11/19 04:27
Reminder: 67 active syzbot reports in usb subsystem 1 (1) 2019/10/04 03:38
Reminder: 52 active syzbot reports in usb subsystem 4 (4) 2019/09/19 19:01
Reminder: 35 open syzbot bugs in media subsystem 1 (1) 2019/07/24 01:39
Reminder: 67 open syzbot bugs in usb subsystem 1 (1) 2019/07/24 01:35
Reminder: 47 open syzbot bugs in usb subsystem 1 (1) 2019/07/09 19:01
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2019/12/16 17:53 11m tranmanphong@gmail.com patch https://github.com/google/kasan.git 46178223 report log

Sample crash report:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 0 PID: 1823 Comm: v4l_id Not tainted 5.4.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:usb_make_path include/linux/usb.h:914 [inline]
RIP: 0010:vidioc_querycap+0x11c/0x320 drivers/media/usb/usbvision/usbvision-video.c:460
Code: 80 3c 02 00 0f 85 03 02 00 00 4c 8b ad f0 17 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 48 4d 8d 45 04 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c7 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffff8881cd3efa20 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8881cd3efc18 RCX: 0000000000000000
RDX: 0000000000000009 RSI: 2e4c1f4252534d27 RDI: 0000000000000048
RBP: ffff8881ccc70000 R08: 0000000000000004 R09: fffffbfff0c87964
R10: fffffbfff0c87963 R11: ffffffff8643cb18 R12: ffff8881ccc7189c
R13: 0000000000000000 R14: ffff8881cd3efc48 R15: ffff8881cd48b900
FS:  00007fad1d2d6700(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9aa38691b0 CR3: 00000001cef1b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 v4l_querycap+0x127/0x350 drivers/media/v4l2-core/v4l2-ioctl.c:1058
 __video_do_ioctl+0x969/0xba0 drivers/media/v4l2-core/v4l2-ioctl.c:2910
 video_usercopy+0x446/0xf40 drivers/media/v4l2-core/v4l2-ioctl.c:3092
 v4l2_ioctl+0x1a2/0x220 drivers/media/v4l2-core/v4l2-dev.c:360
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd2d/0x1330 fs/ioctl.c:696
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fad1ce09347
Code: 90 90 90 48 8b 05 f1 fa 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 fa 2a 00 31 d2 48 29 c2 64
RSP: 002b:00007ffcf82220b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fad1ce09347
RDX: 00007ffcf82220c0 RSI: 0000000080685600 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000400884
R13: 00007ffcf8222210 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace b8fa0485de7eae56 ]---
RIP: 0010:usb_make_path include/linux/usb.h:914 [inline]
RIP: 0010:vidioc_querycap+0x11c/0x320 drivers/media/usb/usbvision/usbvision-video.c:460
Code: 80 3c 02 00 0f 85 03 02 00 00 4c 8b ad f0 17 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 48 4d 8d 45 04 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c7 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffff8881cd3efa20 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8881cd3efc18 RCX: 0000000000000000
RDX: 0000000000000009 RSI: 2e4c1f4252534d27 RDI: 0000000000000048
RBP: ffff8881ccc70000 R08: 0000000000000004 R09: fffffbfff0c87964
R10: fffffbfff0c87963 R11: ffffffff8643cb18 R12: ffff8881ccc7189c
R13: 0000000000000000 R14: ffff8881cd3efc48 R15: ffff8881cd48b900
FS:  00007fad1d2d6700(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9aa38691b0 CR3: 00000001cef1b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (84):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/11/18 08:21 https://github.com/google/kasan.git usb-fuzzer 46178223c0ca d5696d51 .config console log report syz C ci2-upstream-usb
2019/11/18 04:08 https://github.com/google/kasan.git usb-fuzzer 46178223c0ca d5696d51 .config console log report syz C ci2-upstream-usb
2019/10/22 23:28 https://github.com/google/kasan.git usb-fuzzer 22be26f76193 4ee855e7 .config console log report syz C ci2-upstream-usb
2019/09/29 08:48 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe c1ad5441 .config console log report syz C ci2-upstream-usb
2019/09/29 04:08 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report syz C ci2-upstream-usb
2019/09/28 12:45 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report syz C ci2-upstream-usb
2019/09/23 10:56 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report syz C ci2-upstream-usb
2019/09/20 14:50 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report syz C ci2-upstream-usb
2019/09/16 06:30 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 32d59357 .config console log report syz C ci2-upstream-usb
2019/09/15 18:51 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 32d59357 .config console log report syz C ci2-upstream-usb
2019/09/14 09:18 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 32d59357 .config console log report syz C ci2-upstream-usb
2019/09/12 05:33 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 f4e53c10 .config console log report syz C ci2-upstream-usb
2019/09/08 11:22 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 a60cb4cd .config console log report syz C ci2-upstream-usb
2019/07/02 11:35 https://github.com/google/kasan.git usb-fuzzer 7829a896a587 5f175e9c .config console log report syz C ci2-upstream-usb
2019/09/30 09:38 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe c1ad5441 .config console log report ci2-upstream-usb
2019/09/29 07:10 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report ci2-upstream-usb
2019/09/29 00:21 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report ci2-upstream-usb
2019/09/28 17:13 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report ci2-upstream-usb
2019/09/28 16:03 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report ci2-upstream-usb
2019/09/28 13:50 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe eb6b9855 .config console log report ci2-upstream-usb
2019/09/28 09:30 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe d8074e0b .config console log report ci2-upstream-usb
2019/09/28 02:12 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe d8074e0b .config console log report ci2-upstream-usb
2019/09/27 19:45 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe d8074e0b .config console log report ci2-upstream-usb
2019/09/27 05:43 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe 2f1548bc .config console log report ci2-upstream-usb
2019/09/27 02:41 https://github.com/google/kasan.git usb-fuzzer 2994c07743fe 2f1548bc .config console log report ci2-upstream-usb
2019/09/26 12:22 https://github.com/google/kasan.git usb-fuzzer 23e42cc70f6e 24d405a3 .config console log report ci2-upstream-usb
2019/09/26 08:38 https://github.com/google/kasan.git usb-fuzzer 23e42cc70f6e 24d405a3 .config console log report ci2-upstream-usb
2019/09/26 01:43 https://github.com/google/kasan.git usb-fuzzer 23e42cc70f6e 24d405a3 .config console log report ci2-upstream-usb
2019/09/25 22:39 https://github.com/google/kasan.git usb-fuzzer 23e42cc70f6e a3355dba .config console log report ci2-upstream-usb
2019/09/25 15:54 https://github.com/google/kasan.git usb-fuzzer d9e63adcd16e a3355dba .config console log report ci2-upstream-usb
2019/09/25 02:50 https://github.com/google/kasan.git usb-fuzzer d9e63adcd16e e38a6630 .config console log report ci2-upstream-usb
2019/09/23 13:50 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 1e9788a0 .config console log report ci2-upstream-usb
2019/09/22 20:48 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/22 18:19 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/22 15:23 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/22 13:00 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/22 03:44 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/21 16:51 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/21 13:09 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/21 09:13 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/21 06:00 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/21 02:04 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/20 20:28 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/20 18:29 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report ci2-upstream-usb
2019/09/20 02:02 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 4d3ae0b7 .config console log report ci2-upstream-usb
2019/09/19 22:58 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 4d3ae0b7 .config console log report ci2-upstream-usb
2019/09/19 15:45 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 eb940044 .config console log report ci2-upstream-usb
2019/09/19 14:04 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 eb940044 .config console log report ci2-upstream-usb
2019/09/19 08:26 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 eb940044 .config console log report ci2-upstream-usb
2019/09/18 22:45 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 46c0be24 .config console log report ci2-upstream-usb
2019/09/17 22:16 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 13dcda9b .config console log report ci2-upstream-usb
2019/09/17 16:29 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 13dcda9b .config console log report ci2-upstream-usb
2019/09/17 14:26 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 13dcda9b .config console log report ci2-upstream-usb
2019/09/17 12:51 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 13dcda9b .config console log report ci2-upstream-usb
2019/09/17 11:55 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 13dcda9b .config console log report ci2-upstream-usb
2019/09/10 03:23 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 a60cb4cd .config console log report ci2-upstream-usb
2019/09/09 18:35 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 a60cb4cd .config console log report ci2-upstream-usb
2019/09/08 13:59 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 a60cb4cd .config console log report ci2-upstream-usb
2019/09/07 16:55 https://github.com/google/kasan.git usb-fuzzer f0df5c1be1e9 a60cb4cd .config console log report ci2-upstream-usb
2019/07/04 00:12 https://github.com/google/kasan.git usb-fuzzer 7829a896a587 55565fa0 .config console log report ci2-upstream-usb
* Struck through repros no longer work on HEAD.