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WARNING in _chaoskey_fill/usb_submit_urb

Status: fixed on 2020/03/11 20:34
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+f5349b421c6213d34ce2@syzkaller.appspotmail.com
Fix commit: 92aa5986f4f7 USB: chaoskey: fix error case of a timeout
First crash: 1918d, last: 1863d
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
WARNING in _chaoskey_fill/usb_submit_urb 3 (6) 2020/03/09 15:29
Reminder: 45 active syzbot reports in usb subsystem 1 (1) 2019/11/19 04:27
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2019/09/30 14:43 12m oneukum@suse.com patch https://github.com/google/kasan.git e0bd8d79 report log
2019/09/30 13:50 13m oneukum@suse.com patch https://github.com/google/kasan.git e0bd8d79 report log

Sample crash report:
------------[ cut here ]------------
URB 00000000052bee21 submitted while active
WARNING: CPU: 1 PID: 1794 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 drivers/usb/core/urb.c:362
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 1794 Comm: syz-executor305 Not tainted 5.3.0+ #0
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+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+0x10c1/0x13b0 drivers/usb/core/urb.c:362
Code: 89 de e8 92 5b ee fd 84 db 0f 85 42 f6 ff ff e8 55 5a ee fd 4c 89 fe 48 c7 c7 00 c2 18 86 c6 05 f3 cf 38 04 01 e8 f4 e5 c3 fd <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd
RSP: 0018:ffff8881d0427b68 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8128d9ad RDI: ffffed103a084f5f
RBP: ffff8881d070b180 R08: ffff8881d4934800 R09: ffffed103b663ee7
R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: ffff8881d070b180
R13: 00000000fffffff0 R14: 0000000000000000 R15: ffff8881d5c22400
 _chaoskey_fill.part.0+0xe0/0x470 drivers/usb/misc/chaoskey.c:367
 _chaoskey_fill+0x1ad/0x230 drivers/usb/misc/chaoskey.c:361
 chaoskey_read+0x2c2/0x4c0 drivers/usb/misc/chaoskey.c:434
 __vfs_read+0x76/0x100 fs/read_write.c:425
 vfs_read+0x1ea/0x430 fs/read_write.c:461
 ksys_read+0x127/0x250 fs/read_write.c:587
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4419c9
Code: e8 8c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc317ed1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004419c9
RDX: 0000000000000009 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 000000000000e12e R08: 000000000000000f R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402720
R13: 00000000004027b0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/09/21 08:20 https://github.com/google/kasan.git usb-fuzzer e0bd8d794fc9 d96e88f3 .config console log report syz C ci2-upstream-usb
2019/11/15 10:53 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 79248ee8 .config console log report ci2-upstream-usb
2019/11/14 22:32 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/14 16:40 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/14 10:50 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/13 22:45 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/13 01:42 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/13 00:35 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/12 19:04 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 048f2d49 .config console log report ci2-upstream-usb
2019/11/12 07:03 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 377d77fa .config console log report ci2-upstream-usb
2019/11/12 06:34 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 377d77fa .config console log report ci2-upstream-usb
2019/11/11 21:38 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 377d77fa .config console log report ci2-upstream-usb
2019/11/11 09:16 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 dc438b91 .config console log report ci2-upstream-usb
2019/11/10 01:49 https://github.com/google/kasan.git usb-fuzzer 3183c03757f8 dc438b91 .config console log report ci2-upstream-usb
2019/11/08 23:50 https://github.com/google/kasan.git usb-fuzzer d60bbfea36c1 1e35461e .config console log report ci2-upstream-usb
* Struck through repros no longer work on HEAD.