syzbot


WARNING in igorplugusb_probe/usb_submit_urb

Status: upstream: reported C repro on 2026/03/19 07:20
Subsystems: usb media
[Documentation on labels]
Reported-by: syzbot+5d7eece664082e0c5c1a@syzkaller.appspotmail.com
First crash: 34d, last: 5h27m
Cause bisection: failed (error log, bisect log)
  
Discussions (3)
Title Replies (including bot) Last reply
[PATCH] media: rc: igorplugusb: fix memory corruption race condition in probe 1 (1) 2026/04/04 18:35
[syzbot] Monthly media report (Apr 2026) 0 (1) 2026/04/01 13:15
[syzbot] [media?] WARNING in igorplugusb_probe/usb_submit_urb 0 (1) 2026/03/19 07:20

Sample crash report:
------------[ cut here ]------------
usb 3-1: BOGUS control dir, pipe 80000380 doesn't match bRequestType 40
WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1053/0x18b0 drivers/usb/core/urb.c:411, CPU#1: kworker/1:6/6084
Modules linked in:
CPU: 1 UID: 0 PID: 6084 Comm: kworker/1:6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x1115/0x18b0 drivers/usb/core/urb.c:411
Code: 00 00 00 00 00 fc ff df 0f b6 44 05 00 84 c0 0f 85 91 05 00 00 45 0f b6 45 00 48 8b 7c 24 18 48 8b 74 24 10 4c 89 fa 44 89 f1 <67> 48 0f b9 3a 49 bf 00 00 00 00 00 fc ff df e9 c1 f2 ff ff 89 e9
RSP: 0018:ffffc90002e76ce8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88802a1bf800 RCX: 0000000080000380
RDX: ffff88802c2b4a00 RSI: ffffffff8c802020 RDI: ffffffff904025f0
RBP: 1ffff1100d6b634a R08: 0000000000000040 R09: 1ffff920005ced6c
R10: dffffc0000000000 R11: fffff520005ced6d R12: ffff88807cb93100
R13: ffff88806b5b1a50 R14: 0000000080000380 R15: ffff88802c2b4a00
FS:  0000000000000000(0000) GS:ffff88812533d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f530039de9c CR3: 000000001efbc000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 igorplugusb_cmd drivers/media/rc/igorplugusb.c:127 [inline]
 igorplugusb_probe+0x812/0xc70 drivers/media/rc/igorplugusb.c:225
 usb_probe_interface+0x659/0xc70 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x267/0xaf0 drivers/base/dd.c:709
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:851
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:881
 __device_attach_driver+0x279/0x430 drivers/base/dd.c:1009
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c5/0x450 drivers/base/dd.c:1081
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1136
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:613
 device_add+0x7b6/0xb70 drivers/base/core.c:3691
 usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2266
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c4/0x3b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x267/0xaf0 drivers/base/dd.c:709
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:851
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:881
 __device_attach_driver+0x279/0x430 drivers/base/dd.c:1009
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c5/0x450 drivers/base/dd.c:1081
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1136
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:613
 device_add+0x7b6/0xb70 drivers/base/core.c:3691
 usb_new_device+0xa08/0x16f0 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 0f                	fisttps (%rdi)
   9:	b6 44                	mov    $0x44,%dh
   b:	05 00 84 c0 0f       	add    $0xfc08400,%eax
  10:	85 91 05 00 00 45    	test   %edx,0x45000005(%rcx)
  16:	0f b6 45 00          	movzbl 0x0(%rbp),%eax
  1a:	48 8b 7c 24 18       	mov    0x18(%rsp),%rdi
  1f:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  24:	4c 89 fa             	mov    %r15,%rdx
  27:	44 89 f1             	mov    %r14d,%ecx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  36:	fc ff df
  39:	e9 c1 f2 ff ff       	jmp    0xfffff2ff
  3e:	89 e9                	mov    %ebp,%ecx

Crashes (1687):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/16 19:52 upstream 1d51b370a0f8 321ae225 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 17:10 linux-next c7275b05bc42 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 05:58 linux-next 452c3b1ea875 de0a551d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/03/18 22:27 linux-next 8e42d2514a7e 0199f9a1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/03/18 21:41 linux-next 8e42d2514a7e 0199f9a1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/03/18 20:52 linux-next 8e42d2514a7e 0199f9a1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/03/18 20:22 linux-next 8e42d2514a7e 0199f9a1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/22 03:16 upstream 4ee64205ffaa 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 00:26 upstream a5d1079c28a5 e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 19:04 upstream c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 03:39 upstream c1f49dea2b8f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/19 18:48 upstream faeab166167f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/19 10:56 upstream faeab166167f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 21:24 upstream eb5249b12507 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 18:27 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 15:00 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 12:52 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 09:30 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 08:20 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 07:06 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 06:07 upstream 8541d8f725c6 5be7a9de .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 04:42 upstream 8541d8f725c6 5be7a9de .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 01:18 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 23:02 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 21:41 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 20:22 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 20:00 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 18:13 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 16:55 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 16:55 upstream 43cfbdda5af6 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 13:42 upstream 3cd8b194bf34 de0a551d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 12:00 upstream 3cd8b194bf34 de0a551d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 10:19 upstream 3cd8b194bf34 de0a551d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 11:09 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 11:03 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 06:06 upstream 3cd8b194bf34 de0a551d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/16 09:27 upstream 40286d6379aa df15c5f3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in igorplugusb_probe/usb_submit_urb
2026/04/16 16:46 upstream 1d51b370a0f8 4743f87d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in igorplugusb_probe/usb_submit_urb
2026/04/22 01:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 21:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 20:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 20:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 0b6ab7ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 02:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 01:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/21 00:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 23:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 22:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 21:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 20:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 18:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 17:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 15:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 14:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 14:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 13:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 12:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 11:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 10:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/20 10:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c1f49dea2b8f 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in igorplugusb_probe/usb_submit_urb
2026/04/18 00:12 linux-next c7275b05bc42 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in igorplugusb_probe/usb_submit_urb
2026/04/17 14:45 linux-next c7275b05bc42 24ecfc1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in igorplugusb_probe/usb_submit_urb
* Struck through repros no longer work on HEAD.