syzbot


WARNING: ODEBUG bug in smsusb_term_device

Status: upstream: reported C repro on 2025/07/02 00:16
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+43d74f10ce31406ed938@syzkaller.appspotmail.com
First crash: 58d, last: 10h24m
Bug presence (1)
Date Name Commit Repro Result
2025/07/06 upstream (ToT) d7b8f8e20813 C [report] WARNING in usb_free_urb
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in smsusb_term_device usb media -1 C unreliable inconclusive 35 929d 2229d 0/29 auto-obsoleted due to no activity on 2023/07/22 23:24

Sample crash report:
smsmdtv:smscore_start_device: set device mode failed , rc -22
smsusb:smsusb_init_device: smscore_start_device(...) failed
------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88802ef8eb08 object type: work_struct hint: do_submit_urb+0x0/0x360 drivers/media/usb/siano/smsusb.c:-1
WARNING: CPU: 1 PID: 3365 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 1 PID: 3365 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
WARNING: CPU: 1 PID: 3365 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020
Modules linked in:
CPU: 1 PID: 3365 Comm: kworker/1:2 Not tainted 6.6.95-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
RIP: 0010:debug_check_no_obj_freed+0x446/0x540 lib/debugobjects.c:1020
Code: 4c 8b 4d 00 48 c7 c7 80 74 fc 8a 48 c7 c6 e0 70 fc 8a 48 c7 c2 00 76 fc 8a 8b 0c 24 4d 89 f8 41 55 e8 8e 77 29 fd 48 83 c4 08 <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 a3 5d 23
RSP: 0018:ffffc9000c076b38 EFLAGS: 00010282
RAX: ec0a35d2666b2500 RBX: ffffffff9706a808 RCX: ffff88802d855a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffffff8aa9dfe0 R08: ffffc9000c076827 R09: 1ffff9200180ed04
R10: dffffc0000000000 R11: fffff5200180ed05 R12: ffff88802ef8f000
R13: ffffffff870bd5e0 R14: ffff88802ef8e000 R15: ffff88802ef8eb08
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2296d71d60 CR3: 000000000cb30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 slab_free_hook mm/slub.c:1781 [inline]
 slab_free_freelist_hook+0xd2/0x1b0 mm/slub.c:1832
 slab_free mm/slub.c:3816 [inline]
 __kmem_cache_free+0xba/0x1f0 mm/slub.c:3829
 smsusb_term_device+0x1ac/0x220 drivers/media/usb/siano/smsusb.c:352
 smsusb_init_device drivers/media/usb/siano/smsusb.c:491 [inline]
 smsusb_probe+0x1708/0x1da0 drivers/media/usb/siano/smsusb.c:569
 usb_probe_interface+0x5a4/0xb00 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x25b/0xb40 drivers/base/dd.c:658
 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:800
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:830
 __device_attach_driver+0x2ca/0x520 drivers/base/dd.c:958
 bus_for_each_drv+0x24b/0x2d0 drivers/base/bus.c:459
 __device_attach+0x2b5/0x400 drivers/base/dd.c:1030
 bus_probe_device+0x180/0x260 drivers/base/bus.c:534
 device_add+0x85b/0xc20 drivers/base/core.c:3683
 usb_set_configuration+0x1a79/0x20c0 drivers/usb/core/message.c:2207
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x13d/0x280 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x25b/0xb40 drivers/base/dd.c:658
 __driver_probe_device+0x18c/0x330 drivers/base/dd.c:800
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:830
 __device_attach_driver+0x2ca/0x520 drivers/base/dd.c:958
 bus_for_each_drv+0x24b/0x2d0 drivers/base/bus.c:459
 __device_attach+0x2b5/0x400 drivers/base/dd.c:1030
 bus_probe_device+0x180/0x260 drivers/base/bus.c:534
 device_add+0x85b/0xc20 drivers/base/core.c:3683
 usb_new_device+0xa31/0x1630 drivers/usb/core/hub.c:2632
 hub_port_connect drivers/usb/core/hub.c:5501 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5641 [inline]
 port_event drivers/usb/core/hub.c:5801 [inline]
 hub_event+0x2957/0x49c0 drivers/usb/core/hub.c:5883
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/03 00:16 linux-6.6.y 3f5b4c104b7d bc80e4f0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 21:03 linux-6.6.y 3f5b4c104b7d bc80e4f0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/03 17:59 linux-6.6.y 3f5b4c104b7d 115ceea7 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 16:26 linux-6.6.y 3f5b4c104b7d bc80e4f0 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/29 09:44 linux-6.6.y cc1a1c5b404a 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/28 17:06 linux-6.6.y cc1a1c5b404a e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/26 16:04 linux-6.6.y bb9c90ab9c5a e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/26 16:04 linux-6.6.y bb9c90ab9c5a e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/20 15:10 linux-6.6.y bb9c90ab9c5a 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/20 15:10 linux-6.6.y bb9c90ab9c5a 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/14 13:56 linux-6.6.y 3a8ababb8b6a 5d8c2ac2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/06 22:37 linux-6.6.y 3a8ababb8b6a 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/05 10:50 linux-6.6.y 3a8ababb8b6a 37880f40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/05 10:50 linux-6.6.y 3a8ababb8b6a 37880f40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/02 00:31 linux-6.6.y 3a8ababb8b6a 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/08/02 00:31 linux-6.6.y 3a8ababb8b6a 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/31 16:52 linux-6.6.y dbcb8d8e4163 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/29 20:50 linux-6.6.y dbcb8d8e4163 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/24 23:33 linux-6.6.y dbcb8d8e4163 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/24 11:05 linux-6.6.y dbcb8d8e4163 65d60d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/23 22:50 linux-6.6.y d96eb99e2f0e 0c1d6ded .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/22 13:33 linux-6.6.y d96eb99e2f0e 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/14 16:55 linux-6.6.y 9247f4e6573a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/14 11:21 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/14 11:20 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/14 11:20 linux-6.6.y 59a2de10b81a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/06 11:01 linux-6.6.y a5df3a702b2c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/05 06:59 linux-6.6.y 3f5b4c104b7d 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 04:20 linux-6.6.y 3f5b4c104b7d bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 00:21 linux-6.6.y 3f5b4c104b7d 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 00:19 linux-6.6.y 3f5b4c104b7d 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 00:18 linux-6.6.y 3f5b4c104b7d 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 00:17 linux-6.6.y 3f5b4c104b7d 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
2025/07/02 00:16 linux-6.6.y 3f5b4c104b7d 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING: ODEBUG bug in smsusb_term_device
* Struck through repros no longer work on HEAD.